The PRIMARY purpose of Stalin's 1928 Five Year Plan was to A) push Lenin from political power. B) rapidly industrialize the Soviet Union. C) prepare to establish communism in Russia. D) invade Germany in revenge for World War I.

A for your answer hope this helpful enough

B. Rapidly industrialize the Soviet Union Basically all of Stalin's Five Year Plans were meant to industrialize the Soviet Union. The Soviet Union was so backwards industry-wise that Stalin needed to get the country seriously caught up.