What role did NSC 68 play in the context of Cold War history?
A) It formally repealed NSC 67, the cornerstone of the U.S. alliance with the Soviet Union that had been in place during World War II.
B) It was the treaty that formally ended World War II and established the United Nations.
C) It was the agreement that established NATO (North Atlantic Treaty Organization) as a defensive alliance against Soviet aggression.
D) It adapted the World War II framework of "free world" vs "slave world" towards confronting Soviet expansionism.