Complex sentence: In 1891, Robeson became interested in running for U.S. Congressman for a fourth time, however, the Trenton district was content with the Democratic ticket, and nothing became of Robeson's inquiry into public office.
Split into simpler sentences: In 1891, Robeson became interested in running for U.S. Congressman for a fourth time. However, the Trenton district was content with the Democratic ticket, and nothing became of Robeson's inquiry into public office.