B, this was part of Roosevelt's New Deal which was meant to help those who were suffered from the Great Depression. Some administration were the CCC and WPA.
The U.S. entered World War I because Germany embarked on a deadly gamble. Germany sank many American merchant ships around the British Isles which prompted the American entry into the war.
D.
Lunpenpeoletariat for those discarded and proletariat for working class
