Complex sentence: He was an unsuccessful candidate for reelection in 1942 to the Seventy-eighth Congress and went on to be vice president of the M.J. Merkin Paint Co., in New York City.
Split into simpler sentences: He was an unsuccessful candidate for reelection in 1942 to the Seventy-eighth Congress. After leaving office, he went on to be vice president of the M.J. Merkin Paint Co., in New York City.