How did the Ottoman and Safavid empires differ?

A. The Ottomans enjoyed a golden age of culture, and the Safavids did not.
B. The Ottomans followed Sunni Islam, and the Safavids followed Shiite Islam.
C. The Ottomans had a theocratic monarchy, and the Safavids had a democratic government.
D. The Ottomans traded with Europe, and the Safavids traded with East Asia.