The Holocaust. (Heres some filler text because answers need to be at least 20 characters long for some reason)
Answer:
<h2>He served as the General Secretary of the Central</h2><h2>Committee of the Communist Party of the Soviet</h2><h2>Union from 1922 until his death in 1953. In the years</h2><h2>following the death of Vladimir Lenin, he became the</h2><h2>dictator of the Soviet Union, by manipulating and</h2><h2>terrorizing others in order to destroy his opponents.</h2>
Answer:
number 10 should be the second one
Explanation:
9 would be to stop the spread of communism
