Grimbald
Monthly Donor
During Reconstruction the US government picks an area (south Florida south of the upper Gulf Coast. New Mexico, Arizona, West Texas, West or East Montana or seizes land from Mexico for the purpose) that is not densely settled and offers every former slave 40 acres or more and the economic value of a mule to settle there. Blacks quickly become a majority, whites relocate and the area is admitted to the Union as a black majority / black controlled state. If the residents prefer they can have independence as long as their country is not completely surrounded by the US.