People who held governmental positions in the inca civilization controlled everything people did. what color the palace was. the use of water for crops

I think the answer is the first one "everything people did"

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 !