Which of the following economic changes did the soviets make to russia?

a. collectivizing farms and industrializing
b. eliminating poverty and shortages
c. allowing serfs to own their own land
d. reducing government control of the economy

The economic changes which the Soviets make to Russia is collectivizing farms and industrializing.

Option A

Explanation:

The economic effect of soviet on Russia is that it helped to develop industrialist and to develop industries producing various goods and also led to the collection of farms by various peasants which helped to improve the productivity of the farms and leading to increasing capital and free some labor from the activity of agriculture so that industries can be increased and improve the economic condition.