Answer:
Athens;Peloponnesain War
Explanation:
I don't really care about brainliest, I hope this helps you!
Do u mean like the pyramid or socialist system
Worship Buddha or practice different holidays
One theory suggested that a nomadic, Indo European tribe, called the Aryans, invaded and conquered the Indus Valley Civilization. The eastward shift of monsoons may have reduced the water supply, forcing the Harappans of the Indus River Valley to migrate and establish smaller villages and isolated farms.