There were many causes of the Cold War, so here are some of them:
-American fear of communist attack
-Truman's dislike of Stalin
-USSR's fear of the American's atomic bomb
-USSR's dislike of capitalism
-USSR's expansion west into Eastern Europe
The right answer for this question is: to allow US trade to continue during wartime without drawing the nation into war.
The purpose of the Cash and Carry act was to maintain neutrality between the United States and European countries. While they helped Great Britain allowing them to get non wat materials.
New technology led to easier farming, which led to more money for new technology and so on. (I need a brainliest plz)