What Was Roosevelt's Actual Intention Behind the Four Policemen Approach

What was Roosevelt's actual intention behind the four policemen approach?

A) He wanted to prevent a Soviet-German alliance.
B) He wanted the Soviet army to join the war.
C) He did not want to be solely responsible for the reconstruction of Europe.
D) He did not want to risk going to war against Germany and Japan alone.
E) He wanted the Allied powers to fund his conquest of the world.