Complex sentence: After repeated defeats Fawcett was elected Member of Parliament for Brighton in 1865, a seat he held until 1874, and thereafter represented Hackney between 1874 and 1884.
Split into simpler sentences: After repeated defeats Fawcett was elected Member of Parliament for Brighton in 1865. He held this seat until 1874, and thereafter represented Hackney between 1874 and 1884.