The answer is 2: to increase the amount of land available for agriculture.
Reason:
If I remember correctly from Geography last year that is called terrace farming. Common practice in hilly areas where you would be unable to plant crops. Instead, they flatten that out and have “steps” that gives them flat land to grow crops, often rice.
The native Americans, Europeans, and west Africa. Hope that helps
Explanation:
They wanted to help Europe and their allies recover from the War. In order to help Europe recover from the war, the United States came up with the Marshall Plan. It is named after Secretary of State George Marshall. The Marshall Plan offered help and finances to European countries in order to recover from World War II.
