After World War I, a "return to normalcy" was most clearly demonstrated by opposition to joining the League of Nations. The correct option among all the options that are given in the question is the first option or option "1". As the war ended, there was little need for the nations to join the League of Nations.
Answer:
This royal decree, issued on October 7, 1763, prohibited settlement west of the Appalachian Mountains. It also required settlers who had moved west of the Appalachians to return to the eastern side of the mountains.
In my opinion, I think the bombs being dropped were necessary. Japan had a strict military system that was hard to make them surrender. It included dying for your country was the most honor you would ever live for and that if you were selected to be a fighter or suicide flyer that you would have to or face serious consequences, not just for you, but extreme humiliation for your family. Truman saw this as we can invade and lose our lives too(American lives) or go to a speedy end to WW2 by dropping the atomic bomb.