They used dry farming and flood irrigation.
I believe the correct answers is 3
D.retreating to one’s own “corner.”
because otherwise if we have a single leader of the executive branch it would become a dictatorship or take away freedom from the people in the sence of voting.
For number 7, is equal. For number 14, is college. For number 9, is protest. For number 6, is schools. For number 3, is lawyers. For number 1, is honor.