in which religion there are strict regulations and are must to be followed
Answer:
it fell because of:
Lack of Unity
Some of these satrapies hated being part of the empire (e.g. Egypt welcomed Alexander as their liberator from the Persian Empire), and all of them were inclined to rebel when the Emperor was weak or in difficulty.The Persian Empire entered a period of decline after a failed invasion of Greece by Xerxes I in 480 BC. The costly defense of Persia's lands depleted the empire's funds, leading to heavier taxation among Persia's subjects.
Explanation:
hope i helped
Answer:
that 5hey had more weapon than the others
