Complex sentence: His Congregational license to preach was revoked in 1840, however Pillsbury became active in the ecumenical Free Religious Association and preached to its societies in New York, Ohio, and Michigan.
Split into simpler sentences: His Congregational license to preach was revoked in 1840. However Pillsbury became active in the ecumenical Free Religious Association and preached to its societies in New York, Ohio, and Michigan.