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:
It also states that if the people are unhappy with the government, they can __acccute _______________________ it.
While you didn't provide an list of territories to choose from, the answer is Puerto Rico, which was taken during the Spanish-American War in 1898