Most people in the Ottoman Empire were Sunni Muslims while most people in the Safavid Empire followed Shi'ite Islam. What was the result of this cultural difference?

A.
Neither empire was able to defeat the Christian empires to the west.

B.
Both empires sought converts from outside their borders.

C.
The two empires were often at war or in conflict.

D.
Each empire tried to influence the religion of the other.