Houthi Movement

The Houthi movement – formally Ansar Allah, “Supporters of God” – emerged from the mountains of northern Yemen as a Zaidi Shia revivalist group in the 1990s. Three decades later, it controls most of Yemen’s population, fields Iranian-supplied missiles and drones, and has demonstrated something that military planners long considered theoretical: a non-state actor, operating from one of the poorest countries on earth, can hold a global maritime chokepoint hostage against the navies of the world’s most powerful states.

The movement’s trajectory from religious study circle to de facto government to disruptor of international commerce is not accidental. It is a story shaped at every stage by the same force: geography. Yemen’s northern highlands provided the fortress. Its Red Sea coastline provided the weapon. The Bab el-Mandeb strait – twenty miles wide, carrying twelve to fifteen percent of global trade – provided the leverage. The Houthis did not create these advantages. They inherited them. What they did was recognize, with a clarity that eluded far wealthier and better-armed actors, that controlling the right piece of terrain matters more than controlling the most advanced technology.

Origins: Zaidi Revivalism in the Northern Highlands¶

A Thousand Years of Zaidi Rule¶

The roots of the Houthi movement lie in Saada province, a remote, mountainous governorate in Yemen’s far north, pressed against the Saudi border. This is not marginal territory by accident. The Zaidi Shia community that inhabits it ruled northern Yemen for over a thousand years through the Zaidi imamate, a theocratic system in which the imam – drawn from the Sayyid class claiming descent from the Prophet Muhammad – served as both political and religious leader. The imamate endured, in various forms, from the ninth century until the 1962 republican revolution, which overthrew Imam Muhammad al-Badr and established the Yemen Arab Republic with Egyptian military support.

The Zaidis are doctrinally distinct from the Twelver Shiism of Iran. They are, in theological terms, closer to Sunni Islam than to the Shia mainstream – they do not venerate the same twelve imams, they have no concept of the Hidden Imam, and their jurisprudence overlaps substantially with Sunni Hanafi law. This doctrinal distance matters because it complicates the narrative, favored by Saudi Arabia and its allies, that the Houthis are simply an Iranian proxy transplanted onto Yemeni soil. The Zaidi tradition is indigenous. It predates the Iranian revolution by a millennium.

But tradition was eroding. After unification of North and South Yemen in 1990, the government of Ali Abdullah Saleh – himself a Zaidi by birth, though his regime was secular and opportunistic – pursued a policy of promoting Sunni Salafi proselytization in traditionally Zaidi areas. Saudi-funded madrassas spread Wahhabi teachings into Saada and neighboring governorates, challenging Zaidi religious identity in its heartland. For a community that had governed itself for centuries, this was an existential affront.

Hussein al-Houthi and the Believing Youth¶

The movement that would become Ansar Allah began in the early 1990s as the Believing Youth (al-Shabab al-Mu’min), a network of summer camps and study groups aimed at reviving Zaidi religious education among young people in Saada. Its key intellectual figure was Hussein Badreddin al-Houthi, a former member of parliament, son of a prominent Zaidi scholar, and charismatic preacher who fused traditional Zaidi theology with the revolutionary rhetoric of Iran’s Islamic Revolution and Hezbollah’s resistance ideology.

Hussein al-Houthi’s sermons articulated a worldview built on three pillars. First, the marginalization of the Zaidi community by a Yemeni state that had turned its back on its own religious heritage. Second, the encroachment of Saudi-backed Wahhabism, which Zaidis regarded as a foreign imposition designed to erase their identity. Third, the complicity of the Yemeni government in America’s “War on Terror” – Saleh had aligned with Washington after September 11, 2001, allowing US drone strikes and counterterrorism operations on Yemeni soil, which Hussein framed as subjugation to a crusading power.

The slogan the movement adopted captured the synthesis: “God is great, death to America, death to Israel, curse upon the Jews, victory to Islam.” The language was borrowed from the Iranian revolutionary tradition, but the grievances were local. The Houthis were not, at this stage, fighting for Iran. They were fighting for Saada.

Six Wars with the Yemeni Government (2004-2010)¶

In June 2004, the Yemeni government moved to arrest Hussein al-Houthi. Government forces launched a military operation in Saada province. Hussein was killed in September 2004, reportedly after being cornered in a mountain cave. His death did what the arrest was meant to prevent: it transformed a religious revival into an armed insurgency.

Between 2004 and 2010, the Yemeni government fought six rounds of war against the Houthis – known in Yemen simply as the Saada Wars. Each round followed a similar pattern: government offensives into the mountains, initial gains along the roads and valleys, then attrition as the insurgents retreated into terrain the military could not hold. The Yemeni army was poorly equipped, poorly motivated, and riddled with corruption. Units sent to fight in Saada often lacked ammunition, food, or functioning vehicles. Commanders sold weapons on the black market – sometimes to the very insurgents they were fighting.

The terrain dictated the outcome. Saada province is a natural fortress: steep ridges, narrow defiles, scattered villages perched on mountaintops, minimal road infrastructure. An army dependent on vehicles and supply lines cannot operate effectively in such country. A guerrilla force that knows every path, every cave, every seasonal water source can survive indefinitely. The Houthis drew on centuries of tribal warfare tradition in which the mountains of northern Yemen had defeated every external force that entered them – Ottomans, Egyptians, British, and now the Yemeni republic itself.

By the end of the sixth war in 2010, Saudi Arabia had briefly intervened directly, sending ground forces across the border after Houthi fighters infiltrated Saudi territory. The Saudi military performed poorly – losing armored vehicles, suffering ambushes, and withdrawing without achieving its objectives. The episode was a harbinger of what would come on a much larger scale five years later.

The Houthis emerged from the Saada Wars controlling most of the governorate and expanding into Amran, al-Jawf, and Hajjah. They were no longer a study circle. They were a battle-hardened militia with territorial control, a martyr cult built around Hussein al-Houthi, and a population base that a decade of government bombardment had thoroughly radicalized.

Geographic Foundations: Why Yemen’s Map Determines Its Politics¶

Understanding the Houthi movement requires understanding Yemen’s physical geography, because it is the land itself that makes the movement possible and shapes its strategic significance.

The Highland-Lowland Divide¶

Yemen is divided by altitude into two fundamentally different countries. The western highlands – running north to south along the Red Sea coast, rising to over 3,000 meters – receive more rainfall than anywhere else on the Arabian Peninsula. This is the Yemen of terraced agriculture, dense population, and ancient cities. Sanaa, perched at 2,300 meters, has been continuously inhabited for over 2,500 years. The highlands support the majority of Yemen’s population and have historically been the seat of political power.

The eastern and southern lowlands – stretching toward the Empty Quarter and the Gulf of Aden – are arid, sparsely populated, and historically peripheral. Aden, on the southern coast, was a British colonial port and the capital of the former People’s Democratic Republic of Yemen (South Yemen). The south’s identity, politics, and economy developed along entirely different lines from the north.

This geographic divide maps onto the current conflict with remarkable precision. The Houthis control the highlands. The internationally recognized government, to the extent it functions at all, operates from Aden and parts of the south and east. The coalition that intervened in 2015 quickly learned what every power that has tried to conquer Yemen has learned: you can bomb the highlands, but you cannot hold them from the lowlands.

The Red Sea Coastline and Bab el-Mandeb¶

The Houthis’ control of Yemen’s western coast – particularly the port city of Hodeidah and the coastline running south toward the Bab el-Mandeb strait – is what transforms them from a local insurgency into a global strategic problem.

The Bab el-Mandeb is one of the world’s critical maritime chokepoints. It connects the Red Sea to the Gulf of Aden and, through the Suez Canal, links the Mediterranean to the Indian Ocean. Roughly 20,000 ships transit the strait annually. Approximately 12 to 15 percent of global seaborne trade passes through it, including a significant share of Europe-Asia container traffic and energy shipments from the Persian Gulf to European markets.

The strait is approximately 20 miles wide at its narrowest point. Yemen’s coastline runs for hundreds of miles along the eastern shore of the Red Sea. From this coastline, anti-ship missiles and drones can reach any vessel transiting the passage. The geography is, in military terms, a shooting gallery: ships must pass through a confined space within range of shore-based weapons that can be dispersed, concealed, and replaced.

No amount of naval power can change this geometry. A warship can intercept incoming missiles. It cannot make the strait wider. It cannot move Yemen’s coastline. It cannot patrol every mile of shore simultaneously. The Houthis understood this before anyone else did.

Seizure of Power: From Insurgency to Government¶

The Arab Spring and the Collapse of Saleh¶

The 2011 Arab Spring protests that swept the Middle East reached Yemen with particular force. Mass demonstrations demanded the removal of Ali Abdullah Saleh, who had ruled North Yemen since 1978 and unified Yemen since 1990 through a system of tribal patronage, military coercion, and the careful balancing of factions that he famously compared to “dancing on the heads of snakes.”

Saleh was forced from power in 2012 through a transition deal brokered by the Gulf Cooperation Council, which granted him immunity from prosecution in exchange for transferring power to his vice president, Abdrabbuh Mansur Hadi. The transition was supposed to lead to a new constitution and elections. Instead, it produced a power vacuum.

Hadi’s transitional government was weak from inception. It lacked the tribal networks, military loyalties, and political cunning that had kept Saleh in power. The National Dialogue Conference, convened to draft a new constitution, dragged on for two years and produced a federal structure that the Houthis rejected – partly because it divided Yemen into six regions in a way that would have landlocked Houthi-controlled areas, cutting them off from the Red Sea coast and its customs revenue.

The Alliance with Saleh and the March on Sanaa¶

What happened next was one of the most consequential political maneuvers in modern Middle Eastern history. The Houthis, now led by Abdul-Malik al-Houthi (Hussein’s younger brother), formed a tactical alliance with their former enemy: Ali Abdullah Saleh. Saleh retained deep loyalties within the Yemeni military – the Republican Guard and key army units were commanded by his relatives and allies. These forces, nominally loyal to the Hadi government, either stood aside or actively facilitated the Houthi advance southward.

In September 2014, Houthi forces entered Sanaa. The capital fell with almost no resistance. Within months, the Houthis had dissolved parliament, placed Hadi under house arrest, and declared a revolutionary committee as the governing authority. Hadi escaped to Aden in February 2015 and then fled to Saudi Arabia, from where he called for international intervention.

The speed of the takeover revealed less about Houthi military prowess than about the rottenness of the state they were seizing. Yemen’s institutions had been hollowed out by decades of corruption, patronage, and neglect. The Houthis did not so much conquer a state as walk into a vacuum.

The Death of Saleh¶

The Houthi-Saleh alliance was always a marriage of convenience between forces that had spent a decade trying to kill each other. It unraveled in December 2017 when Saleh, calculating that the Houthis were weakening, publicly broke with the movement and called for dialogue with the Saudi-led coalition. Within 48 hours, Houthi forces surrounded Saleh’s residence in Sanaa and killed him as he tried to flee the city.

Saleh’s death removed the last potential rival to Houthi dominance in the north. It also eliminated the figure best positioned to negotiate a political settlement – the man who had “danced on the heads of snakes” for four decades had finally been bitten. The Houthis absorbed or purged his loyalists, consolidated control over the military and security forces, and established unchallenged authority over northwestern Yemen.

The Saudi-Led Coalition War¶

Operation Decisive Storm¶

On March 26, 2015, Saudi Arabia launched Operation Decisive Storm – a military campaign combining sustained aerial bombardment, a naval blockade, and support for anti-Houthi ground forces. The coalition included the United Arab Emirates, Bahrain, Kuwait, Egypt, Jordan, Morocco, Sudan, and initially Pakistan (which withdrew after its parliament voted against participation). The United States and the United Kingdom provided intelligence, logistics, aerial refueling, and weapons sales.

The stated objective was straightforward: restore the Hadi government, reverse the Houthi takeover, and eliminate Iranian influence in Yemen. None of these objectives were achieved.

The Humanitarian Catastrophe¶

What the coalition produced instead was what the United Nations called “the worst humanitarian crisis in the world.” The numbers are staggering, even by the standards of the modern Middle East. An estimated 150,000 people killed directly by violence. Hundreds of thousands more dead from disease, malnutrition, and lack of medical care caused by the blockade. Over 4 million internally displaced. Famine conditions across large parts of the country. Cholera outbreaks that infected more than a million people – the largest cholera epidemic in recorded history.

Yemen imports approximately 90 percent of its food supply. The coalition’s naval and aerial blockade – ostensibly targeting weapons smuggling – restricted the flow of food, fuel, and medicine into the country. The port of Hodeidah, through which most humanitarian supplies entered Houthi-controlled territory, was repeatedly targeted and intermittently blockaded. The result was mass starvation in a country that could not feed itself.

Coalition airstrikes, conducted with American and British-supplied precision-guided munitions, struck hospitals, schools, weddings, funerals, markets, and water treatment plants. Investigations by the UN, Human Rights Watch, and other organizations documented a pattern of attacks on civilian infrastructure that amounted, in the assessment of international legal experts, to potential war crimes. The United States and United Kingdom continued arms sales to Saudi Arabia throughout, provoking domestic political controversy but no change in policy.

Stalemate¶

The military result was a grinding stalemate that persisted for years. The coalition controlled the air – Saudi and Emirati aircraft flew thousands of sorties. It controlled the sea – naval vessels enforced the blockade. It supported ground forces, particularly UAE-trained southern militias, that recaptured Aden and parts of the southern and eastern governorates.

But the coalition could not take the highlands. The same geographic reality that had defeated the Yemeni army in the Saada Wars defeated the coalition: you cannot conquer mountainous terrain with air power alone, and no coalition member was willing to commit the ground forces necessary for a sustained campaign in Yemen’s interior. The UAE, which had deployed the most capable ground forces, effectively withdrew from the ground war by 2019, pivoting to consolidate influence in southern Yemen through proxy militias rather than fighting the Houthis directly.

Saudi border areas came under escalating Houthi attack. Drones and ballistic missiles – increasingly supplied by Iran – struck Saudi airports, oil facilities, and military installations. In September 2019, a spectacular drone and cruise missile attack struck the Abqaiq and Khurais oil processing facilities in eastern Saudi Arabia, briefly cutting Saudi oil production by half. The Houthis claimed responsibility, though the sophistication of the attack led most analysts to attribute it to Iranian forces operating from Iraq or Iran itself. The message, regardless of attribution, was clear: the war Saudi Arabia had launched to protect itself was now bringing the war to Saudi soil.

By the early 2020s, both sides were exhausted. A UN-brokered truce in April 2022 held, largely because neither side could see a path to military victory. Negotiations continued fitfully, with Saudi Arabia and the Houthis engaging in direct talks that the Hadi government – increasingly irrelevant – was not party to. Riyadh was looking for an exit; the Houthis were looking for recognition.

The Iran Connection¶

Weapons and Advisors¶

Iran’s role in the Houthi movement is real, militarily significant, and frequently mischaracterized. The relationship is not the Hezbollah model – Tehran did not create the Houthis, does not fund them at comparable levels, and does not exercise the same degree of strategic direction. But what Iran has provided is precisely what transformed the Houthis from a mountain insurgency into a force capable of threatening global shipping.

The weapons pipeline – routed through Oman, via maritime smuggling, and through other channels – has delivered anti-ship ballistic missiles (based on Iranian designs), cruise missiles, one-way attack drones (derivatives of the Shahed series that Iran has also supplied to Russia for use in Ukraine), ballistic missile components, and the technical knowledge to assemble and operate these systems. Iranian advisors, operating through the IRGC’s Quds Force, have trained Houthi forces in missile operations, drone warfare, and targeting.

Iran’s annual investment in the Houthis has been estimated at the low hundreds of millions of dollars – a fraction of the $700 million to $1 billion directed to Hezbollah. The return on that investment, measured in strategic disruption per dollar spent, is arguably the most efficient in the history of state-sponsored proxy warfare.

Part of the Axis – But Not a Puppet¶

The Houthis operate within Iran’s “Axis of Resistance” framework, alongside Hezbollah, Hamas, and Shia militias in Iraq and Syria. They coordinate with Tehran. They adopt Iranian revolutionary rhetoric. They launched their Red Sea campaign explicitly in solidarity with the Palestinian cause – a framing that aligned with Iran’s regional narrative.

But the Houthis are more autonomous than Hezbollah. They fight for indigenous reasons: Zaidi identity, territorial control, resistance to Saudi domination, and domestic political power. The movement would exist without Iran; it would simply be less lethal. This distinction matters for policy: pressuring Iran may reduce the flow of weapons, but it will not dissolve a movement rooted in Yemeni geography, Zaidi history, and a decade of Saudi bombardment. The Houthis are Iran’s cheapest and most autonomous proxy – a partnership of convenience rather than a relationship of command.

For Tehran, the Houthis serve a specific strategic function: they are a pressure tool against Saudi Arabia. Every missile that strikes a Saudi airport or oil facility demonstrates that Riyadh’s southern border is vulnerable, that the kingdom’s military superiority has not translated into security, and that Iran can impose costs on its Gulf rival at minimal expense to itself. The Houthis are, in Iranian strategic calculus, the southern blade of a pincer that runs from Hezbollah in the north to Ansar Allah in the south – encircling Saudi Arabia with threats it cannot eliminate.

The Red Sea Campaign (2023-2025)¶

October 7 and the Escalation¶

In November 2023, following Hamas’s October 7 attack on Israel and the subsequent Israeli military campaign in Gaza, the Houthis began attacking commercial shipping in the Red Sea. The declared justification was solidarity with the Palestinian people – Abdul-Malik al-Houthi announced that attacks would continue until Israel ended its operations in Gaza. The Houthis initially claimed to target only Israel-linked vessels but rapidly expanded their targeting criteria to include virtually any ship transiting the area.

The campaign employed anti-ship ballistic missiles, cruise missiles, and one-way attack drones launched from Yemen’s western coastline. Attacks struck container ships, bulk carriers, and tankers of multiple nationalities. The cargo ship Rubymar sank after a Houthi missile strike in February 2024, becoming the first merchant vessel sunk by hostile action in the Red Sea in decades. The True Confidence was struck by a missile that killed three crew members – the first fatalities of the campaign.

Disruption of Global Shipping¶

The strategic effect was immediate and vastly disproportionate to the military resources expended. Major container lines – Maersk, MSC, Hapag-Lloyd, CMA CGM – suspended Red Sea transits and rerouted vessels around the Cape of Good Hope. The detour added 10 to 14 days to Europe-Asia shipping times and increased fuel costs by $1 million or more per voyage. War risk insurance premiums for Red Sea transits surged from fractions of a percent to several percent of hull value.

The Suez Canal – through which approximately $1 trillion in goods passed annually – saw traffic decline by more than 50 percent. Egypt lost billions in canal revenue. European importers faced higher costs and longer delivery times. Energy markets, already volatile, absorbed the risk premium of potential disruptions to oil and LNG shipments transiting the strait.

The asymmetry was extraordinary. A Houthi drone cost tens of thousands of dollars. A single disrupted shipment cost millions. The aggregate cost to global trade ran into the tens of billions of dollars. A non-state actor operating from one of the world’s poorest countries was imposing costs on the global economy that exceeded the entire GDP of Yemen.

Operation Prosperity Guardian and Its Limits¶

The United States organized Operation Prosperity Guardian in December 2023, assembling a multinational naval coalition to protect Red Sea shipping. US and British warships deployed to escort convoys and intercept incoming Houthi projectiles.

The operation intercepted numerous missiles and drones but could not solve the fundamental problem. Each Standard Missile or Evolved Sea Sparrow fired by a US destroyer cost between $1 million and $4 million. Each Houthi drone cost a tiny fraction of that. A destroyer could exhaust its interceptor magazine in days of sustained operations, requiring withdrawal to rearm. The defenders were hemorrhaging money; the attackers were spending pocket change.

In January 2024, the US and UK escalated to direct strikes on Houthi positions in Yemen – hitting missile launchers, drone storage facilities, radar installations, and command nodes. The strikes degraded some capability but did not halt the attacks. The Houthis dispersed their assets among civilian infrastructure, used mobile launchers that could fire and relocate before retaliatory strikes arrived, and drew on continued Iranian resupply.

The campaign laid bare a structural reality: air power and naval power could attrit Houthi capability but could not eliminate it. The Houthis had survived a decade of Saudi coalition bombardment orders of magnitude more intense than anything the US and UK were delivering. A few hundred additional airstrikes were not going to change the calculus of a movement that had already absorbed years of destruction.

Deterrence, as a concept, requires that the target values something enough to change behavior to protect it. The Houthis governed a country already devastated by war, famine, and blockade. They had calculated – correctly – that no Western government would invade Yemen to stop the attacks. And short of invasion, there was no military solution.

Strategic Implications¶

Non-State Actors and Chokepoint Control¶

The Houthi Red Sea campaign demonstrated something that defense planners had theorized but never seen at this scale: a non-state actor can effectively control a maritime chokepoint using relatively inexpensive precision-guided munitions. For centuries, chokepoint control required a blue-water navy. The Houthis achieved functional denial of the Bab el-Mandeb with shore-based missiles and drones that cost a fraction of what a single naval vessel costs to operate for a day.

The implications extend to every chokepoint on the global maritime network. The Strait of Hormuz, already vulnerable to Iranian action, faces similar asymmetric threats. The Strait of Malacca, the Turkish Straits, the Panama Canal approaches – all are potentially vulnerable to the same model. The Houthi precedent has demonstrated both the tactic and its effectiveness.

The Failure of Air Power Against Dispersed Guerrilla Forces¶

The Yemen war – both the Saudi-led campaign and the US/UK strikes – confirmed a lesson that has been demonstrated repeatedly from Vietnam to Afghanistan to Iraq: air power alone cannot defeat a guerrilla force embedded in difficult terrain and a sympathetic population. Bombing can destroy fixed infrastructure, kill leaders, and degrade capability. It cannot eliminate a movement. The Houthis survived a decade of the most intense bombing campaign in the modern Middle East and emerged capable of threatening global shipping. If ten years of Saudi air power could not break them, a few months of American strikes were not going to succeed.

The Evolution of Proxy Warfare¶

Iran’s investment in the Houthis represents a new phase of proxy warfare. The enabling state need not provide troops, direct operational control, or massive funding. It need only provide weapons technology – drone designs, missile components, targeting assistance – that the proxy employs independently for its own purposes within a framework broadly compatible with the patron’s interests. The cost-to-effect ratio is extraordinary. Iran spent a few hundred million dollars arming the Houthis. The Houthis disrupted tens of billions of dollars in global trade and tied down major Western naval assets for over a year.

This model is replicable. Any state with access to drone and missile technology can potentially equip a willing non-state actor to threaten critical infrastructure, shipping lanes, or economic chokepoints. The proliferation of precision-guided munitions and commercial drone technology ensures that this capability will spread.

Yemen’s Catastrophe¶

Behind the strategic abstractions lies a human catastrophe of historic proportions. Yemen’s war has killed hundreds of thousands, displaced millions, produced the world’s worst humanitarian crisis, and destroyed a country’s infrastructure and institutions. The Houthis bear responsibility for diverting aid, repressing civilians, and prolonging the conflict. The Saudi-led coalition bears responsibility for a bombing campaign and blockade that starved a nation. The international community bears responsibility for supplying the weapons, ignoring the consequences, and failing to broker peace.

Yemen will not recover in a generation. The country that was already the Arab world’s poorest before the war has been pushed into a depth of destruction from which there is no clear path out. The Houthis will likely remain the dominant force in the north for the foreseeable future – not because they are beloved, but because they are the only organized power left standing. Their governance is authoritarian, ideologically rigid, and economically extractive. But it is governance, in a country where the alternative is the absence of any order at all.

The Future of Red Sea Security¶

The Red Sea will remain contested for as long as the Houthis control Yemen’s western coastline and maintain access to Iranian weapons. No diplomatic settlement currently on the table addresses the movement’s maritime capability. The Houthis have discovered that attacking shipping provides international leverage that no amount of domestic governance could generate – a reason to continue that transcends any particular conflict in Gaza or elsewhere.

The world’s response has been to adapt rather than to solve. Shipping lines reroute. Insurance premiums adjust. Naval patrols continue. The cost is absorbed into the price of goods. This is not a solution; it is an accommodation. The Bab el-Mandeb remains a chokepoint, the Houthis remain on its shore, and the weapons that can threaten any vessel that passes remain in their hands. Geography does not negotiate.

Sources & Further Reading¶

• “Yemen: Dancing on the Heads of Snakes” by Victoria Clark – The most accessible English-language history of Yemen’s tribal, religious, and political landscape, essential for understanding the context from which the Houthi movement emerged.

• “The Huthis: From Saada to Sanaa” by Marieke Brandt – The definitive scholarly account of the movement’s origins, development, and rise to power, based on extensive fieldwork in Yemen.

• “Iran’s Networks of Influence in the Middle East” by the International Institute for Strategic Studies – Examines Iran’s relationships with proxy and partner forces across the region, including a detailed assessment of the Iran-Houthi connection and how it differs from the Hezbollah model.

• “A History of Modern Yemen” by Paul Dresch – Provides the deep historical background on Zaidi politics, the imamate, and the north-south dynamics that continue to shape Yemen’s conflicts.