The United States restricted the amount of European immigration done, they weren't participating or even a part of the League of Nations, and people were just tired of getting to foreign wars as a whole. Only 150,000 immigrants per year were allowed to immigrate to America in 1929.
Explanation:
The Columbian Exchange transported plants, animals, diseases, technologies, and people one continent to another. Crops like tobacco, tomatoes, potatoes, corn, cacao, peanuts, and pumpkins went from the Americas to rest of the world.... The triangular trade was the trade between Europe, Africa, and the Americas.
The primary aim of the "Marshall Plan" was to provide aid to the devastated countries of Europe, while at the same time combating the advance of communism and <span>helping countries determine their own forms of government.</span>
C. It was a war to prevent communism from spreading into Southeast Asia
