To end slavery and racism, It abolished slavery, but still people were racist so they set up Jim Crow laws of segregation. And people still are racist
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For a war if I'm right. I think that was the beginning of the American Civil War. I could be wrong though.
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Do you still need help?!?
Answer: A war of ideas is a clash or disagreement of opposing ideas, ideologies, or concepts through which nations or groups use strategic influence to promote their interests abroad.
Explanation: hopefully this helps