The main issues were Slavery and State's Rights, which caused the South to argue with the North whether to ban Slavery or not. Abraham Lincoln was Anti-Slavery, which would be a threat to the South's Economy. When Lincoln got elected in the Election of 1860, South Carolina (and by extension the rest of the South) got angry because they could loose their State's Rights, and then they seceded.
They destroyed the culture, took the land and nearly wiped out the civilization itself.
I believe it was Egypt.
Hope that helps! :)
Answer:
Checks and balances definition is - a system that allows each branch of a government to amend or veto acts of another branch so as to prevent any one branch from exerting too much power. a system that allows each branch of a government to amend or veto acts of another branch so as to prevent any one branch from exerting too much
Explanation: