Complex sentence: Kershaw was elected as a Republican to the Thirteenth Congress (March 4,1813--March 3,1815) and served as chairman of the Committee on Accounts (Thirteenth Congress).
Split into simpler sentences: Kershaw was elected as a Republican to the Thirteenth Congress (March 4,1813--March 3,1815). He served as chairman of the Committee on Accounts (Thirteenth Congress).