Both sides used local asymmetrical forces in the region . On the Allied side were Arabs who participated in the Arab Revolt and the Armenian militia who participated in the Armenian Resistance during the Armenian Genocide ; along with Armenian volunteer units , the Armenian militia formed the Armenian Corps of the First Republic of Armenia in 1918 . In addition , the Assyrians joined the Allies following the Assyrian genocide , instigating the Assyrian war of independence . The Turkish Ottomans had the support of Kurds ( until 1915 ) , Turcomans , Circassians , Chechens and a number of Iranian , Arab and Berber groups . The theatre covered the largest territory of all theatres in the war
Armenian Genocide
Armenian Genocide
Middle Eastern theatre of World War I