Tennessee in the American Civil War was one of the most divided states in the country at the outset of the war. Before the bombardment of Fort Sumter, Tennessee was staunchly pro-Union, though there were still a few secessionist hot beds in the western and middle portion of the state. The situation rapidly changed when Fort Sumter was bombarded and Lincoln made the call for 75,000 volunteers to suppress the rebellion. Tennesseans saw this as a threat to their "southern brethren," and though Tennessee voted to secede, there were still areas scattered all over state that had strong Union sympathies. The areas Unionism was most prominent
Trans-Mississippi Theater of the American Civil War Trans-Mississippi Theater of the American Civil War The Trans-Mississippi Theater of the American Civil War consists of the major military operations west of the Mississippi River. The area is often thought of as excluding the states and territories bordering the Pacific Ocean, which formed the Pacific Coast Theater of the American Civil War (1861-1865). The campaign classification established by the National Park Service of the U.S. Department of the Interior is more fine-grained than the one used in this article. Some minor NPS campaigns have been omitted and some have been combined into larger categories. Only a few of the