20. What is the difference between the definitions of Feudalism and Manorialism?

A.
One explains city life, the other explains life on the manor

B.
One explains the social and government systems while the other explains the economy

C.
One exploits serfs, the other does not

D.
One explains the way people are treated, the other explains how they live

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?