A. Slavery Was on the Decline by 1790. Tobacco profits were decreasing. Slaves were becoming less of an economic advantage. B. Eli Whitney's invented the cotton gin by 1793. Cotton markets expand.
Cotton replaces tobacco as major staple crop in the south.
Increase Need for Slave Labor. C. Anti-slavery Movement Emerges 1. William Lloyd Garrison and the Liberator. Frederick Douglass . Earliest Critics Were the Quakers.