I believe the answer is C: the United States and the Soviet Union formed a new alliance.
2nd is first, 3rd is second, and the first is last (I’m highly sure this is correct
Applicants for naturalization RENOUNCE their former allegiance to the foreign countries of which they were formerly citizen.
Some examples of states that developed at the edges of existing empires between 1750 and 1900 were the Cherokee nation, Siam, Hawai'i, and the Zulu Kingdom.
I hope this is what you were asking for. :)