Complex sentence: Bolton served in the Maryland State Senate from 1946 to 1948, and was elected as a Democrat to the Eighty-first Congress, serving from January 3,1949 to January 3,1951.
Split into simpler sentences: Bolton served in the Maryland State Senate from 1946 to 1948. He was elected as a Democrat to the Eighty-first Congress, serving from January 3,1949 to January 3,1951.