To find jobs.. back then you could get a job with little or no skill at all. the idea of having a better job was appealing to manyfarmers and immigrants.
Missouri compromise line, to divide the prospective slave and free states<span> west of the </span><span>Mississippi River
maine was slave state, missouri was a free state</span>
The answer is B. Bay Of Pigs Invasion
Before the revolution, Cuban was led by Fulgencio Batista, an Ally of the united states.
But after the Revolution, Batista was overthrown and replaced by Castro, who chose to make an Alliance with the soviet Union.
In 1961, under a Direct Command from Castro, Cuba launch a military invasion to the bay of pigs, ( which Failed because it was undertaken by CIA)
Well when scientists wish to learn something, they use the scientific method. The first step is to observe something/could be a problem. Then ask a question about it. Form a hypothesis, or a possible answer to that question. These are the first steps.
Further steps include setting up an experiment and results, etc, but I think you know the rest! Hope this helps!