In 1820, amid growing sectional tensions over the issue of slavery, the U.S. Congress passed a law that admitted Missouri to the Union as a slave state and Maine as a free state, while banning slavery from the remaining Louisiana Purchase lands located north of the 36º 30' parallel.
I don't see the things i am supposed to check, but i will still answer your question. The most important reasons why WW1 started was because of Militarism, Alliances, Imperialism, and Nationalism.
Some of the Civil Rights leaders had different approaches such as peaceful movements, civil disobediences, etc.
<h3>Who was Martin Luther King?</h3>
He was one of the most influential leaders of the Civil Rights movement who sought to end racism and discrimination against the black man which was also institutionalized racism.
For some leaders, they thought that peace was not the best approach as they thought that the non violent approach was taking too much time but saner minds prevailed.
Read more about Civil Rights movement here:
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