Complex sentence: He served as member of the State house of representatives 1850-1855 but was an unsuccessful candidate for election in 1857 to the Thirty-fifth Congress and in 1861 to the Thirty-seventh Congress.
Split into simpler sentences: He served as member of the State house of representatives 1850-1855. He was an unsuccessful candidate for election in 1857 to the Thirty-fifth Congress and in 1861 to the Thirty-seventh Congress.