The creations of tin pan alley were culturally significant because they:
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a. were the first american music that was exported abroad.
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b. resulted from the great migration.
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c. represented a truly american musical form.
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d. were created exclusively by african american musicians.

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?