How did the monroe doctrine play a part in the spanish-american war?

Which of the following allowed the government to stop a foreigner from becoming a citizen, presidential power to throw anyone he wanted out of the u.s. and that it was a crime to criticize the government? the alien and sedition act the xyz affair the 12th amendment marbury v madison

The original term of was descriptive of lower-class people who performed manual labor.

Which development most directly benefited american businesses in the 1950s?