Answer:
The Thirteenth Amendment
Explanation:
"The Thirteenth Amendment (Amendment XIII) to the United States Constitution abolished slavery and involuntary servitude, except as punishment for a crime. In Congress, it was passed by the Senate on April 8, 1864, and by the House on January 31, 1865."
Yes, a military act of this magnitude was felt to be the only way for the central powers to surrender.
The first City Southern Black migrated to after leaving the rural areas and hence became a blues hotbed was known as Harlem. Harlem is the major African-American residential, business and cultural center until today. The African-American residents began to arrive in large numbers in 1905 as part of Great Migration.