In What Aspect of American Foreign Policy Did Franklin D

In what aspect of American foreign policy did Franklin D. Roosevelt remove himself from Herbert Hoover's precedent?

A) He called for the era of isolationism toward Europe to be over.
B) He promised nationalists in China to intervene in their civil war.
C) He promised Latin American neighbors to end his predecessor's policy of interventionism.
D) He formally recognized the Soviet Union in an effort to stimulate trade.