The Cold War era was marked by intense geopolitical tensions between the United States and the Soviet Union, with each superpower vying for global influence. Prior to 1972, the U.S. maintained a policy of non-recognition toward the People’s Republic of China, leading to a quarter-century of diplomatic isolation. President Richard Nixon’s unexpected visit to China in February 1972 broke this longstanding impasse, signaling a significant shift in international relations. (history.com)