Yemen is probably the most misunderstood international story in the Western mass media since… well, Uganda in September 2009. As was the case during the Uganda uprising, I believe the problem originates in the ignorance of regionalism in Yemen, or as Professor Harm J. De Blij has written time and time again: geography matters.
There are two major yet unrelated conflicts taking place in Yemen—the Sunni and Al Qaeda-linked separatist threat in the central south of the country (a major concern of the United States) and a Shia uprising in the north (alarming to the Yemenis and Saudis, possibly supported by Iran, but of little relevance to the rest of the world). And carefully distinguishing between the two is critical to keep the US out of a real quagmire.
Let’s start from the beginning. A century ago, Yemen was divided into two spheres of influence, with the Ottomans controlling the Red Sea coastal area (North Yemen), while the Aden coast was a protectorate of the British (South Yemen). After World War I, a Shia spiritual leader established himself as King in North Yemen and titled his country the Mutawakkilite Kingdom of Yemen. Although he initially fought with the growing Saudi state, the Saudis backed the king during the 1960s civil war, whereas the Soviets and Egyptians backed a republican insurgency, which came to an end in 1970. Meanwhile, the former British Protectorate became the People’s Democratic Republic of Yemen in 1967, also enjoying backing from the Soviets. Perhaps due to the dual Red sympathies, perhaps due to Arab nationalism, the two states agreed to unify in the early 1970s, and ultimately merged in 1990. (A group in South Yemen declared and fought for independence during several months in 1994.)

The Cold War conflicts are essentially unrelated to today’s violence. Back then, the differences were primarily political. Today, the roots of the conflict are religious and tribal. The northern uprising in the mountains along the Saudi border is a Shia rebellion based on anger and frustration with the persecution and neglect of the mountainous region by the (Sunni) government. The Yemeni and Saudi governments are fighting this rebellion, and the Saudis have blockaded the coast, on the pretext of stopping Iranian arms from reaching the rebels. The violence has caused widespread displacement of people in the areas, as the Shia rebels and government troops treat civilian casualties as a secondary concern.

The border with Saudi Arabia and Yemen was definitively demarcated in 2000.

