African nation once enslaved by egypt, who would later on conquer Egypt ?

In the mid-fourth century B.C., the Persians again attacked Egypt, reviving their empire under Artaxerxes III in 343 B.C. Barely a decade later, in 332 B.C., Alexander the Great of Macedonia defeated the armies of the Persian Empire and conquered Egypt.

the event that was most responsible for ending the great depression is world war 2.

which question?

explanation:

which question r u talking about?