Which of these is a reason why people wanted to move out west in the mid-1800s?
A
to take advantage of cheap or free land

B
to escape religious persecution

C
to find jobs

D
all of the above

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?