How did President Richard Nixon foreign policy Beliefs represent a change for the US?

President Richard Nixon's foreign policy marked a significant shift for the U.S. as it moved from a predominantly isolationist approach to one of engagement with global powers, particularly through his strategy of détente with the Soviet Union and opening relations with China. This represented a departure from the Cold War's binary confrontational stance and aimed to reduce tensions through diplomacy and strategic arms limitation. Nixon's pragmatic approach emphasized realpolitik, focusing on national interests over ideological commitments, thereby reshaping U.S. foreign policy in a more flexible and strategic direction.