What did the north and hupa indians built along the trinity and klamath rivers and the pacific ocean

What is the ancient chinese belief that god chooses the emperor?

Who believed that the best economic system was on in which businesses compete to gain profit with minimal or no government control

The picture below shows president richard nixon and the first lady standing before the great wall of china in 1972. they are smiling - as are the chinese with them. when this picture was shown on american television, americans were aware that it was a historic moment. what are two reasons why this moment was important for both china and the united states?