After Reconstruction, white Southerners took extreme measures to ensure that African-Americans did not gain political power. One of the reasons why is because they feared that African-Americans would elect individuals who would try to change the southern way of life. In order to stop this from happening, several actions were taken.
1) Voting obstacles- Even though the 15th amendment said the no one can be stopped from voting based on race, color, or past servitude, many southern states went around this by implementing literacy tests and poll taxes. These tests and taxes significantly affected the African-American community, as many of them did not have a formal education nor a large enough income to vote.
2) Development of Ku Klux Klan- This organization used violence, intimidation, and threats to ensure that African-Americans did not use the rights guaranteed to them in the constitution.
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Well that depends on who thoight the activities were positive
Jamaica gained it's Independence from Britain in 1962, though is was ruled by the Spanish for over 100 years prior to the British taking control in 1655. Britain held onto Jamaica for a whopping 307 years. Independence was and is considered a good thing by many Jamaicans, but in the modern era, almost 60% of Jamaican citizens say they'd prefer to be ruled by the British again, very different from most former British colonies.
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Stem cells are a class of undifferentiated cells that are able to differentiate into special cell types.
They are important because they represent an area in medicine, because they have the potential to regenerate and repair damaged tissue.
Not all stem cells come from embryos but also bone marrow, your teeth and other places.