Read the passage below. Then answer the question that follows using information and evidence from the text. What is one question this passage leaves an answer? Describe another source that might help you answer that question.

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?