Answer: Colleges changed because slavery ended.
Explanation: Slavery ended on September 22, 1862. Because of this, African-Americans were allowed to start attending colleges.
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the answer is"<span>a. manufacturing processes"</span>
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One way in which <span>European imperialism contributed to the start of ww1 was that European nations were in heavy competition over obtaining natural resources and territory in places like Africa and South America--leading to an "us vs. them" nationalistic mentality. </span>
