Answer:
Popular sovereignty is the principle that the authority of a state and its government are created and sustained by the consent of its people, through their elected representatives (rule by the people), who are the source of all political power.
Explanation:
The country that unified its eastern and western regions on October 3, 1990 is Germany.
There were several differences that separated the Soviet Union and the US after World War II.
I’m pretty sure it’s A. It talks about consent from the governed which hints at the people who can vote.
Jayhawker is there a picture to the question or some thing sorry