Which of the following statements most accurately characterizes the experiences of free blacks in early nineteenth-century United States?
A) Most held low-wage jobs as farm workers, day laborers, or laundresses.
B) They constituted about 50 percent of the African American population by 1820.
C) Joshua Johnston, a surveyor who helped to lay out the national capital and published an almanac, was one of the very few free blacks who was able to use his talents to the fullest and achieved great distinction.
D) No free blacks were able to amass wealth before 1865.