Self-determination was point 10 of Wilson's Fourteen Points. Wilson wanted to re-draw the frontiers of eastern Europe so that races ruled themselves. In some ways, self-determination was achieved.
A because they are always needed in every situation.
They all was in tiled to something in it.
The answer is B. The compromise was primarily for "fair" representation in congress for the slave states as well as keeping the states from fluctuating too high from state to state based off if its a slave state or not
The event would be the attack on Pearl Harbor, which occurred on December 7th, 1941. Hope this helped!