The significance of the Open Door Policy for

the United States lay in its

(A) providing a use for the Philippines as a

way station between China and the

United States

(B) moving the American public away from

isolationism and toward the view of the

nation as a world power

(C) keeping Japan from annexing Formosa

(D) guarantees from leasehold nations that

they would keep their Chinese ports

open to all nations

(E) obtaining the right to build a railroad in

China