Which of the following statements best explains why Stalin became leader of the Soviet Union and not Trotsky? Select all that apply. a) Many people thought Trotsky was conceited and untrustworthy because he was late to join the Bolshevik Party.
b) Many people thought Trotsky was too unhealthy to lead the Soviet Union.
c) Stalin built himself a strong network of support that would allow him to take power after Lenin.
d) As General Secretary, Stalin appointed his allies to government positions