Arnold was made a brigadier general in the British Army, an annual pension of £360, and a lump sum of over £6,000. During the American Revolutionary War, he led British forces on raids in Virginia, and against New London and Groton, Connecticut. In the winter of 1782, Arnold moved to London with his second wife, Margaret "Peggy" Shippen Arnold. In England, the king and the Tory political party liked him, but the Whig political party did not. In 1787, Arnold became a merchant again became a merchant, with his sons Richard and Henry in Saint John, New Brunswick, but returned to London to settle permanently in 1791, where he died ten years later.