sentences:  Since 1790, Native Americans in the southern states were enumerated as "free persons of color" on the local and federal census, included with free African Americans.By 1835, in the wake of Nat Turner's Slave Rebellion of 1831, North Carolina like other southern states reduced the rights of free people of color.Out of fear of slave rebellion aided by free blacks, the legislature withdrew the rights of free people of color to vote, serve on juries, own and use firearms, and learn to read and write.