Islamic Studies
Caliphate & Rulers: From the Rightly Guided Caliphs to the Ottoman Caliphate
Over how many continents did the Ottoman Caliphate spread?
Explanation
The Ottoman Caliphate spread across three continents — Europe, Asia, and Africa — making it one of the largest empires in history.
Reference: Islamic Studies - Caliphate & Rulers
, Page 10
Hint
At its peak, it controlled southeastern Europe, western Asia, and North Africa.