sentences:  Kentucky, being a border state, was among the chief places where the "Brother against brother" scenario was prevalent.Southern sympathizers in Kentucky had already seceded and joined the Confederacy, but had been unable to enforce their rule over the state's territory.Kentucky officially declared its neutrality at the beginning of the war, but after Confederate General Leonidas Polk unwisely decided to occupy Columbus in 1861, the legislature petitioned the Union Army for assistance.