It was revised because it was clear that Britain needed help but the us was not ready to commit to another war just yet
well as logical and obvious it gets they would mostly fight for the union or basically the north
For the answer to the question above, Lyndon B. Johnson was the president at this point in timAmerican<span> society exploded into a cauldron of movements, riots, protests, and war.
I hope my answer helped you. Feel free to ask more questions. Have a nice day!</span>