Which was a major source of conflict between the Ottoman and Safavid empires? A. Most inhabitants of one empire were Shi'a Muslims and most in the other empire belonged to the Sunni branch of Islam. B. The Ottomans and Safavids often went to war with each other over issues of leadership. C. Each empire wanted to control the trade between the Muslim world, Africa, and East Asia. D. The two empires competed for territory in western Europe
The ottoman and Safavid war was a series of conflicts from 1623-1639 and the major conflict was related to land and control over Mesopotamia.
Hence the option D is correct.
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