Hiram Revels was the first African American man to do the following: A.
serve in the United States Senate

B.
serve as governor of a state

C.
serve as a federal judge

D.
serve as a general in the United States military

A. Serve in the United States Senate

Explanation:

Hiram Revels was the first African-American man to serve in the United States Senate.  Revels represented the state of Mississippi for a little over a year, having been in office from 1870 to 1871.

most of the knowledge we have of the conflict comes from roman-jewish scholar titus flavius josephus, who first fought in the revolt against the romans, but was then kept by future emperor vespasian as a slave and interpreter.

richard nixon led the investigation that resulted in alger hiss being convicted of prejury.