The 3 answer are:
1.) People moved around alot
2.) Trash was spread out over a large area
3.) Little surplus food was available
Answer:
C. The new laws must obey the US Constitution
Explanation:
If a state law does not obey the US Constitution, it can be taken down in court.
After World War 1, prevalent attitudes in America included one of not supporting the US being involved in foreign affairs. World War 1 started in 194 and ended in 1918. After the First World War, isolationism became prevalent in American society. Another attitude that developed was nativism.
here's the website: www.answers.com/Q/What_attitudes_became_prevalent_in_America_after_World_War_