AnsweAgriculture allowed farmers to use genetics to select the best crops for their areas. Agriculture also enabled the population of Pre-Columbian America to increase. People could now live in permanent villages. In time, these villages created their own systems of governance.Explanation:
The correct answer is 2. Isolationism
Following world war 1, United States didn't want to mess with European affairs because they understood how bad the war was and didn't want to participate in it again. That's why when Wilson wanted to join the League of Nations they declined and the US remained on its own.
The
principle that is evident through the "necessary and proper
clause" in the U.S. Constitution is the rule of law. The correct answer
between all the choices given is the first choice. I am hoping that this answer
has satisfied your query and it will be able to help you in your endeavor, and
if you would like, feel free to ask another question.
Answer:1) 3. 1973
2) 3. Saigon
Explanation: In 1973, the United States officially pulled their troops out of the war after 18 years of fighting.
North Vietnam in 1975 closed in on Saigon and bombed it, hence "The Fall of Saigon."
