Washington, District of Columbia. Captain Paul of Gen. Andrew A. Humphrey's Staff (U.S. Civil War) This product title refers to a historical artifact related to the U.S. Civil War. Specifically, it is a portrait of Captain John R. Paul, who served as part of General Andrew A. Humphreys' staff during the American Civil War (1861-1865). Captain Paul held this position in Washington, D.C., which was strategically significant due to its status as the national capital and a key Union stronghold throughout the conflict. The artwork likely provides insight into the life and career of Captain Paul and the larger context of the Civil War's military leadership. It serves as a reminder of the historical events and individuals involved in this critical period in U.S. history.