<em>These are called Federal laws because they are made by our Federal Government. ... The United States Congress is the lawmaking body of the Federal Government. Congress has two houses: the House of Representatives and the Senate.
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Hi!
President Lincoln instituted the Emancipation Proclamation in response to rebellions occurring in Southern states.
The threat was that if they did not stop, he would end slavery in each and every state which was revolting against the Union.
Hopefully, this helps! =)