The US imperialized Puerto Rico, Guam, Cuba, and United States Virgin Islands
The most likely reason that people were blacklisted was because A.) They were accused of being communists.
<h3>Why were those people blacklisted?</h3>
In the late 1940s and 1950s, the United States went through a Red Scare where Americans were scared of a Communist infiltration into their daily lives.
As a result, anyone who was accused of being a Communist would lose support and would be blacklisted out of fear of their motives.
In conclusion, option A is correct.
Find out more on the Red Scare at brainly.com/question/10433301.
Generally Slaves were forcefully brought to America, especially in southern states.
Industrialization involves factories. New factories need workers. A majority of these workers are people moving to cities looking for the new jobs.
The answer is D.
