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
Names of the American Civil War American flag". Given that in the free states non-Yankee groups – Germans, Dutch-Americans, New York Irish and southern-leaning settlers in Ohio, Indiana and Illinois – showed majority opposition to waging the Civil War, other Confederate sympathizers have used the name "War of Yankee Aggression" or "Great War of Yankee Aggression" to indicate the Civil War as a Yankee war, not a Northern war "per se". Conversely, the "War of Southern Aggression" has been used by those who maintain that the Confederacy was the belligerent party. They maintain the thought that the Confederacy started the war when they initiated combat at