The Janissaries had been recruited from Christians and other minorities; their abolition enabled the emergence of a Turkish elite to control the Ottoman Empire. The problem was that the Turkish element was very poorly educated, lacking higher schools of any sort, and locked into a Turkish language that used the Arabic alphabet that inhibited wider learning. The large number of ethnic and religious minorities were tolerated in their own separate segregated domains called millets. They were primarily Greek, Armenian, or Jewish. In each locality, they governed themselves, spoke their own language, ran their own schools, cultural and religious institutions, and paid somewhat higher taxes. They had no power outside the millet. The Imperial government protected them and prevented major violent clashes between ethnic groups. However, the millets showed very little loyalty to the Empire. Ethnic nationalism, based on distinctive religion and language, provided a centripetal force that eventually destroyed the Ottoman Empire. In addition, Muslim ethnic groups, which were not part of the millett system, especially the Arabs and the Kurds, were outside the Turkish culture and developed their own separate nationalism. The British sponsored Arab nationalism in the First World War, promising an independent Arab state in return for Arab support. Most Arabs supported the Sultan, but those near Mecca believed in and supported the British promise.