They worked for the people who had slave owners or they were slaves themselves
The bombing of Pearl Harbor brought the United States into WW2. The United States stayed out of the way until this event because it was the breaking point for the nation. America had been attacked without what they deemed was a good reason and hundreds had been killed and injured.
The Civil War started because of uncompromising differences between the free and slave states over the power of the national government to prohibit slavery in the territories that had not yet become. I believe so.
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The Bay of Pigs and the Cuban Missile Crisis, 1961-1962 In early 1961 President John F. Kennedy concluded that Fidel Castro was a Soviet client working to subvert Latin America. After much debate in his administration Kennedy authorized a clandestine invasion of Cuba by a brigade of Cuban exiles.
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If u mark brainlist that would be nice.