The correct answer is that the bombing of Pearl Harbor in 1941 by Japan made American isolationists quickly change their tune as America was under attack. Once Germany declared war on the US, the US was fully into the war.
Following the assassination of President James A. Garfield by a disgruntled job seeker, Congress passed the Pendleton Act in January of 1883. The Pendleton Act provided that Federal Government jobs be awarded on the basis of merit and that Government employees be selected through competitive exams.
People who worked as minors had to be at work or else they would lose their job they had no freedom. They were also paid which led to the term wage slavery.
Southern governments passed Jim Crow laws
