Answer:
People start to domesticate plants and animals, Agriculture allows people to live in one place, Settlements begin to have boundaries
Explanation:
People started to learn how to domesticate plants and animals first. When you have plants, you have agriculture. When you have crops, you have to start losing your hunting and gathering ways to stay put (settlements begin to have boundaries).
Returning From War, Returning to Racism. After fighting overseas, Black soldiers faced violence and segregation at home. Many, like Lewis W. Matthews, were forced to take menial jobs.
Answer: the 1930s
Explanation: The USA watched carefully the rise of fascism in Europe and Japanese expansion in Asia, but did not intervene, There was a strong isolationist lobby and many had sympathy with both Hitler and Mussolini who they saw as leaders who were putting to rights, the problems of their countries, and were also important bulwarks against communism.
It took the Japanese attack on Pearl Harbour to bring the USA into the war and even then there was no guarantee they would have become directly involved in the conflict in Europe. It was Hitler who declare war on the USA in support of his Japanese Axis allies.