They fought over the moral issue of slavery.
Butt this is what google told me xD
They fought over many reasons like...
Industry vs. Farming. ...
States' Rights. The idea of states' rights was not new to the Civil War. ...
Expansion. As the United States continued to expand westward, each new state added to the country shifted the power between the North and the South. ...
Slavery. ...
Bleeding Kansas. ...
Abraham Lincoln. ...
Secession. ...
Activities.
The signers all agreed to follow the same laws for an organized government. All men on the Mayflower, both pilgrims and non-pilgrims were expected to sign it.
Answer: checks and balances
Explanation: it’s “ 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”