A. Benjamin Harrison
B. James Madison
C. Franklin Pierce
D. Banjamin Franklin
Submitted by: Engr Allah Wadhayo
Def: On July 26, 1775, former deputy postmaster general of the American colonies, Ben Franklin, was made the first postmaster general of the United States.
The correct answer to the question: "Who served as first postmaster general of the United States?" is "Banjamin Franklin".