 The remaining Ottoman Armenia, composed of the Six vilayets (Erzurum, Van, Bitlis, Diyarbekir, Kharput, and Sivas) up to World War I, under Ottoman rule, was also referred to as Western Armenia.Aside from the learned professions taught at the schools that had opened throughout the Ottoman Empire, the chief occupations were trade and commerce, industry, and agriculture.The peasants were agriculturists.