Answer: Great Migration, Jim Crow laws, and racial discrimination after the Civil War.
Explanation:
The oppression African Americans suffered during the Great Migration, which involved the brutal Jim Crow laws and constant racial discrimination led to the development of a black cultural center in Harlem, New York City. Works on literature, music, and art reflected the struggles suffered by the African Americans that migrated from the South to the North.
The answers are B.The modern-day nation of Mongolia is landlocked. C.Mongolia--the homeland of the Mongols--is located in central Asia. A is wrong because the Gobi desert is to the south of mongolia. <span /><span> </span>