Who succeeded vladimir lenin and became the leader of the soviet union

  Joseph Vissarionovich Stalin

Explanation:  Stalin (1878 - 1953), was a Georgian and Soviet politician and revolutionary, a communist who succeeded Vladimir Lenin. He was Secretary General of the Communist Party of the Soviet Union and prime minister. The successor to Leninist communism, known as the dictator, the idea of ​​Leninism-Marxism developed to a level known as the dictatorial model Stalinism. He was known for his desire to dominate all East European countries after WWII.

d) true or false question

b because they both had so of the same chosen rules