Yes they have in all ways. Economic, political, you name it. The one real rough terrain in their relationship would probably be the handling of North Korea.
China buys our debt, exports products of all kind, and the US exports high end products of course like Boeing airplanes and other luxuries of this fine capitalist society.
In terms of intelligence, there is a very open trust for economic gain and learning Chinese could make your community some serious bank.
They would end the connections that they had together
No it is not.
Use communist Chinas official name in public
Beijing
Disputes in the ROC.
Xinjiang
Confucianism.
Asia
During the cold war (which ended twenty years ago) there were TWO Chinas. Which one are you questioning: Communist China or Nationalist China?
19.33%
Great wall of china
Mao Zedong