The Emancipation Proclamation freed slaves living in ten states that were still in rebellion. Slaves that were already in a state that was taken over before the EP were not freed. At the same time, all those freed slaves were enlisted in the Union Army. As a result, after some time black slaves and white citizens of the USA fought together against one enemy. No doubt, the Civil War united black and white people as well as reduced tensions existing among them. The majority of freed black slaves fought rather valiantly and earned the respect of whites. This promoted equality and eradicated some racial prejudices in the society.
I don't know what the options are for you, but I know the person must be 25 or older, A citizen of the USA for at least 7 years before being elected and a resident of the state the person is going to represent.
Thomas Pain is saying that America is too big to be controlled by Britain. He is asking for American independence and that they will change by becoming their own colony. And going to war if they have to.
