The last statement is the correct answer. However, the second question is theoretically historically correct, for Иосиф Сталин (Joseph Stalin) practically controlled the entire government of the USSR with his oppressive ultra-authoritarian non-democratic Stalinist-"Communist" regime.
Answer:
Hughes is a corresponding increase
Convert them to Christianity
I believe the answer would be A. Diffusion is "the spreading of something more widely" Which fits in with this.