Which of the following could you have seen if you had lived in the united states in the 1920s? a. people standing in long lines at telegraph offices b. soldiers marching off to the trenches in the great war c. flappers listening to jazz and doing the charleston d. engineers boarding ships to go build the panama canal

C. flappers listening to jazz and doing the Charleston

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 !