Final answer:
Cultural geography affected the Great Migration through the development of African-American communities and the formation of important cultural movements like the Harlem Renaissance. It also led to increased political activism among African Americans.
Step-by-step explanation:
Cultural geography had a significant impact on the Great Migration in the US. One example is the development of African-American communities in cities like Harlem in New York City. The growth of these communities fostered a new urban African-American culture and led to important cultural movements like the Harlem Renaissance. Additionally, the Great Migration sparked increased political activism among African Americans as they found a new place in public life in the cities of the North and West.