Explaining how the new land acquired in the mid 1800’s led to conflict over slavery and eventually to the Civil War.

One of the primary reasons for the reinvigoration of slavery was the invention and rapid widespread adoption of the cotton gin. This machine allowed Southern planters to grow a variety of cotton - short staple cotton - that was especially well suited to the climate of the Deep South.

Explanation:

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- the public in the late 1970's wanted renewed emphasis on domestic priorities and reductions in the defense budget. much anti-military sentiment. at that time, however, the soviet union despite having an economy half the size of the US was spending substantially more than the US on defense

-by 1982 people were marching in an antinuclear movement. wanted a freeze on the testing, production, and deployment of nuclear weapons. reagan increased military spending, and conveyed the impression that by relying too much on military strength. revived charges that the united states was largely responsible for the arms race. momentum of the soviet union's arms program were forgotten over this uproar.