Why did ancient civilizations develop near river valleys?

Later in the federalist, no. 84, hamilton says, “here, in strictness, the people surrender nothing, and as they retain everything, they have no need of particular reservations.” hamilton believed that the new constitution would

If you lived in greece in about 300b. c. you had a good chance of witnessing which of the following? select all that apply

4. any area in which one nation has power over another; i. e. - this happened to china when it was defeated by japan