The correct answer is B. African American Legislators during the Reconstruction.
These black men participated in Legislature, specifically in the state of Georgia.
For instance, Jefferson Franklin Long was part of the Congress from 1870 to 1871. Tunis Campbel was a Minister from New Jersey that was elected to the state constitutional convention in 1867 and was elected senator the next year.
Henry McNeal Turner was elected to the Georgia Legislature in 1868, and Aaron A. Bradley was a prominent member of the black delegation and was elected senator in 1868.