Select the Word or Phrase That Best Matches the Definition

Select the word or phrase that best matches the definition or example.
-A massive attempt in the 1930s to cleanse the Soviet Union of supposed "enemies of the people";nearly a million people were executed between 1936 and 1941,and 4 million or 5 million more were sentenced to forced labor in the gulag.

A) Russian Revolution (1917)
B) Bolsheviks
C) Lenin
D) Guomindang
E) Mao Zedong
F) Chinese Revolution
G) Stalin
H) building socialism
I) Zhenotdel
J) collectivization
K) Cultural Revolution
L) Great Purges/Terror
M) Anna Dubova
N) Cuban Revolution
O) Cuban missile crisis
P) Nikita Khrushchev
Q) Deng Xiaoping
R) perestroika
S) glasnost
T) Mikhail Gorbachev