Why was the Berlin Airlift necessary? A. The U. S. and Great Britain would not give up on sending supplies to West Berlin.

B. People in East Germany needed food and supplies.

C. Russia wanted to make sure democracy gained ground in West Berlin.

D. It was easier to fly supplies in than transport on land.

B.

Explanation:

I believe the Berlin Airlift was necessary because Berlin was located in East Germany (a Soviet satellite) and at this time (the cold war) there were geopolitical tensions between the Soviet Union and the United states. so because of this the only viable option to supply west Berlin was to do an Airlift.

no statements but ok.

the statement that best describes the idea of manifest destiny that was used in the 19th century would be that "it was fate that the united states would continue to  expand westward," since people thought the us was "destined" to do so. 

these civilizations were located around fertile rivers, where they could produce an abundance of crops