HEL There was a tension on North side of USA during Civil war because of slavery because some people on north didn't really like Black people but some people were ok with it. please give me some events that shows tension of this problem

Slavery played the central role during the American Civil War. The primary catalyst forsecession was slavery, especially Southern political leaders' resistance to attempts by Northern antislavery political forces to block the expansion of slavery into the western territories.

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explanation:

i am pretty sure hopefully just you