Just the US, NASA is a national and government-funded organization, not international. As such it is appropriate to say that, because only astronauts of US citizenship from a US based and funded organization have visited the moon, the US has visited the moon.
Due to his involvement in the Watergate Scandal.
The United States is larger than China by about 257,000 km2
United States, Russia, China (China definitely, its a toss up between Russia and the US) US and Russia, although China isn't far behind.
DDT was banned.
The US-China rapprochment occurred in 1972 after President Richard Nixon visited Beijing in February 1972. But the US normalized its relations with China in January 1, 1979.
nixion
President Richard Nixon visited China between February 21 to 28, 1972 . The purpose of the visit was to try to normalize the relationship between the US and China.
Richard Nixon visited China and was given two giant pandas
Richard M. Nixon was the first US President to visit both China and Russia.
The first US President to visit both China and Russia was Richard M. Nixon
One of the outstanding policies of President Richard Nixon was to begin the opening of doors of communication between the US and the Peoples Republic of China in 1972. This was an important visit. Nixon was the first US president to visit China. At the time many politicians whether Democrats or Republicans did not like this as the Cold War was in full force and China was solidly a communist nation. Despite the critics, Nixon's visit was a historical one and was the first step in a long process of recognizing China. It was one of President Nixon's outstanding achievements in US foreign policy.
President Nixon visited the Soviet Union in an effort to improve trade relations.
Richard M. Nixon was the first US president to visit China in February, 1972. Richard Nixon was the one who re-opened the door to China.
Richard Milhous Nixon, the 37th President of the United States, serving from January 20, 1969 until his resignation on August 9, 1974, visited the People's Republic of China in 1972, opening diplomatic relations between the two nations. Nixon, also, initiated détente and the Anti-Ballistic Missile Treaty with the Soviet Union the same year.
Richard Nixon.
The goal of Nixon's visit was to open trading with China again. He was the first president to visit Communist China. It marked the reopening of U.S. relations with China. No president had visited there since the Communist government took power.