C. It let to the mass migration of the Indian elite.
Trade flourished because these progressing empires were developing new ways to produce products and utilize agriculture in their areas, such as Han with silk and Rome with olives and fishing/seafaring. These empires has never had access to goods that were from other areas before the Silk road, causing trade to become immensely popular and relied upon.
After slavery was completely abolished in the North, African Americans did not live easy lives, for discrimination and prejudice were still a prominent problem. In the caucasian dominating Northern region of the United States, African Americans were considered free because they were no longer forced into slavery, but in reality they were only given limited freedom in regards to their political rights, social rights, and rights of expression.
African Americans were only granted limited freedom in regards to their political rights.
Roanoke Jamestown and is England