A.the total defeat of Axis powers
B.the establishment of a postwar world order under American leadership
C.coordination of war efforts of the Soviet Union,Britain and the United States
D.Both A and B

A.to make the United States gain time to arm itself
B.to actually help the aggressors by making clear that the United States would not intervene
C.to get the United States involved in the war
D.to prevent the United States form being dragged into the war