What role did athen and sparta play in defeating the persians

Athens had a really good navy and Sparta was really good at warfare

To solve their problems, mesopotamians used irrigation, a way of supplying water to an area of land. to irrigate their land, they dug out large storafe basins to hold water supplies these ditches brought water to the feilds. to protect their feilds from flooding, farmers built up the banks of the tigris and euphrates.hope ths !

The correct answer is "the protesters were attacked by chinese troops and many were killed or arrested."