Answer:
C. Overpopulation
Explanation:
It is a huge issue all around the world.
Answer:
B. Memoir
Explanation:
This is the title of the book of memoirs written by Elie Wiesel.
Answer:
Vladimir Lenin
Explanation:
Stalin came into power after Lenin and was a follower after him
Nikita Khurshchev was a later leader of the Soviet Union and did not lead the Bolsheviks during the revolution.
So that just leaves Lenin
Hopefully, this helped :)