Answer:
The main cause, and most important factor of the civil war was slavery. Slavery caused the Civil War because they were being treated unfairly by the South. The North did not like that they were being treated so unfairy. It was a very important factor because the south had been using their slaves to aid the war effort.
Explanation:
(blm:))
Answer:
D. Referendum
Explanation:
If citizens are unhappy if a piece of legislation and want it struck down they have the right to call a referendum. This allows the people to vote on it directly.
Answer:
Mesopotamia came to have cities because the rivers in the Fertile Cresent allowed the people growing crops to have big surpluses because they used irrigation. The Civilization in mesopotamia devided the labor in order to keep everyone at work.
I didn't use 2 of the vocabulary terms. I hope that's ok with you.