Why did the Manhattan neighborhood of Harlem become a center for Afro-centric art, music, poetry, and politics?

As a result, Harlem, a neighborhood at the northern end of Manhattan, became a center for Afro-centric art, music, poetry, and politics; Revived by the wartime migration and fired up by the white violence of the postwar riots, urban blacks developed a strong cultural expression in the 1920s that came to be known

Explanation:

1) the andrew carniage's purchase and renovation of skibo castle have been very good and auspicious for the local people of dornoch firth, scotland because this is a turistic attraction for many people who would want to know the castle, the local people would take advantage about this.

2) yes, it could.

b) the confederacy had to pay all union war expenses.