The answer is A sorry if I’m wrong
Railroad companies paid the people to kill buffalo so that they wouldn't be blocking their tracks.
"What would the requirements be for Confederate states to reenter the Union?" "Who would oversee the rebuilding of a Southern economic infrastructure?" and "<span>Once millions of slaves were set free, what would become of them?" would be the best option from the list, since it was never considered that individual states would not be allowed to rejoin the union.</span>
