Although located between the Tigris and Euphrates rivers, there was almost no rainfall in the hot and dry climate of Sumer. How were people able to water their
crops?
I

Two books are used to model tectonic plates

Why did the 24th amendment and the civil rights act succeed when other legislation had failed?

Which of the following is an example of the pull factor known as economic migration? a. better educational opportunities pulling people towards a new country b. mexican laborers entering the us to work in agricultural jobs c. joining family members that are already in a new country d. crop failures driving people away from their country i am unsure on this question, i was thinking b? but i could be wrong.