Many American's who didn't want the U.S. to enter the war must've felt as iff the country didn't care about their opinion.
The Manifest Destiny which stated that the U.S. had a God-given right to all of the land in North America
There were more jobs in the cities, if everyone worked on a farm there wuld be more than billions of grocery stores, then they would be wasting food because not everyone would buy evrything!
In 1932, America suffered greatly during the Great Depression. The President at the time, Herbert Hoover, promised many reforms and improvements that would help everyone get back onto their feet. Those promises were broken as Hoover did little to pull America out of the Depression. As a result, Hoover wasn't really well liked, during and after the depression. When the elections of 1932 came around, Hoover decided to run again, but Americans went and voted for Roosevelt, who actually did something to help during the depression.