What was the relationship between the united states and china at the beginning of the nixon presidency

During the presidency of Richard Nixon, the United States acknowledged the Communist government of the "People's Republic of China". He was the "37th President of United States" and served his country for five years (from "1969 to 1974").  

In 1972, Nixon visited the China to lead the diplomatic relationship between "United States and China". He gave ordered to create Environmental Protection Agency. He is the only president in the American Presidency history who resigned from his post.

“the iliad” (gr: “iliás”) is an epic poem by the ancient greek poet homer, which recounts some of the significant events of the final weeks of the trojan war and the greek siege of the city of troy (which was also known as ilion, ilios or ilium in ancient times).