Answer:
Many people decided to move to urban areas because it gave them more opportunities.
Explanation:
A, B, and C. Mesopotamia was in the middle of a desert, and the only reason it was farmable was because it lay between the Tigris and Euphrates rivers which flooded yearly to water the ground.
In the civil war 750,000 Americans died.
Answer:
city
Explanation:
because groups of citys have goverment example i live in san bernardino county ca witch has al least 20 citys,LA,VICTORVILLE.REDLANDS.BARSTOW(gateway to vegas)
B. is the correct answer I did this on my social studies test and passed.:)