Cayenne, Missouri was a border state during the Civil War. Although Missouri did not secede from the Union during the war, a lot of Missourians fought on the Confederate side of the war. It was not unheard of that brothers were fighting on opposite sides of the battlefield. When the war first started, the newly recruited troops would do their marching drills at the county courthouse. The Union troops marched on one side of the courthouse while the Confederates marched on the other.
Except for the state of Virginia, Missouri had more battles and skirmishes than any other state. The battle of Westport, which is referred to as the Gettysburg of the West, took place in the Kansas City area.The battle of Lone Jack took place 30 miles west of the 'burg. The battle of Lexington, also known as the Battle of the Hemp Bales took place 40 miles north of me. Both of these battles were Confederate victories. Ever hear of the Lawrence Massacre? Quantrill's Raiders rode out in the middle of the night from a farm 10 miles outside of Warrensburg. It was at least an 80 mile ride in the dark.
There were a lot of Confederate sympathizers in this area. After Quantrill's raid on Lawrence, General Order No. 11 was issued by Union General Thomas Ewing. The order required the residents of four counties to abandon their rural homes. The reason for this was so the residents could not supply materials and support to the Confederate guerillas. Here is a link to Wiki which explains the history behind it:
https://en.wikipedia.org/wiki/General_Order_No._11_(1863)
There is a lot of Civil War history in my area. My great-great grandpa fought on the Union side of the war. I have a lot of friends whose ancestors fought for the South. All of us agree that Missouri ain't a Yankee state.