Complex sentence: After leaving the army, Pennington read law in the Newark office of Elias Boudinot, in addition to serving in the New Jersey General Assembly in 1797,1798, and 1799.
Split into simpler sentences: After leaving the army, he read law in the Newark, New Jersey office of Elias Boudinot. He served in the New Jersey General Assembly in 1797,1798, and 1799.