What are three of the primary considerations that needed to be addressed when the civil war ended? what would the requirements be for confederate states to reenter the union? which southern states would be allowed to come back into the united states? who would oversee the rebuilding of a southern economic infrastructure? would the house or senate be responsible for running southern states? once millions of slaves were set free, what would become of them? in what way would confederate states be required to pay restitution?