According to the graph, which statement accurately describes the percentage of free blacks in South Carolina's population between 1790 and 1860?
(1 point)
The percentage of free blacks reached 1.5 percent by 1860.
The percentage of free blacks increased between 1810 and 1820.
The percentage of free blacks was greatest in the late eighteenth century.
The percentage of free blacks increased consistently between 1790 and 1830.
According to the graph, the accurate statement is:
The percentage of free blacks increased consistently between 1790 and 1830.