The four river valley civilizations were the Tigris & Euphrates Valleys, the Nile River Valley, the Indus River Valley, and the Yellow River Valley. Civilizations developed around rivers because their waters provided places to hunt and fish. Also, as the rivers flooded, the lands around them became fertile.
Answer:
The lakes were very moist which attracted lots of mosquitoes
Explanation:
Answer:
He protested against segregation and called it "Operation Equality", so it's not A or C. I think the answer is B, because he was calling on political action. :)
Answer:
D.
regional government headquarters
Explanation:
War and negative effects.
