Persia originated from what River Valley civilization?

At its height under Darius the Great, the Persian Empire stretched from Europe's Balkan Peninsula

Explanation:

the hyksos invasion. the hyksos were able to attack egypt successfully because of their skills in using bronze weapons, composite bows and the use of the horse and chariot during the invasion. although the egyptians depict a barbarian-type overthrow, the truth is the seizure was likely a relatively peaceful one.