 The so-called "Border War" lasted for another four months, from May through October, between armed bands of pro‐slavery and Free Soil men.The U.S. Army had two garrisons in Kansas, the First Cavalry Regiment at Fort Leavenworth and the Second Dragoons and Sixth Infantry at Fort Riley.The skirmishes endured until a new governor, John W. Geary, managed to prevail upon the Missourians to return home in late 1856.