Answer:
Diaspora is when a specific group or population is scattered across the world in a place that is not their origin. The Jewish Diaspora (or exile) started in 515 BCE when the Assyrians forcibly exiled the Ten Israelite tribes out of their homeland. Later in history, both Jewish temples would also be destroyed.
Explanation:
Historically, the caliphates were polities based on Islam which developed into multi-ethnic trans-national empires. During the medieval period, three major caliphates succeeded each other: the Rashidun Caliphate (632–661), the Umayyad Caliphate (661–750), and the Abbasid Caliphate (750–1258).