What goals did Stalin hope to accomplish in the USSR with collectivization?

A. He hoped to instigate a riot among the poor so he would have a reason to kill them.

B. He wanted to feed his factory workers well so they could produce more exportable goods.

C. He hoped it would help the USSR to become an agricultural superpower.

D. He wanted to reserve the surplus food for his political friends, so they would stay loyal to him.