Original sentence: (The Missouri-Kansas border conflict was in many ways a continuation of Bleeding Kansas violence.Following the Lawrence raid, the Union district commander, Thomas Ewing, Jr.The raiders justified the raid in retaliation for the Sacking of Osceola,Missouri two years earlier (in which the town was set aflame and at least nine men killed) and for the deaths of many female relatives of bushwhackers killed in the collapse of a Kansas City, Missouri jail.William  Quantrill led a raid in August 1863 on Lawrence, Kansas, burning the town and murdering some 200 men and boys in the Lawrence Massacre
Edited sentence: (The Missouri-Kansas conflict was in many ways a continuation of Bleeding Kansas violence.In response to the Kansas Jayhawkers sacking Osceola, Missouri, in which the entire town was set aflame and nearly all of the male residents killed, and the collapse of a Kansas City, Missouri, jail in which female relatives of bushwhackers were incarcerated and many killed in the collapse, William  Quantrill led a raid in August 1863 on Lawrence, Kansas, burning the town and murdering some 200 men and boys in the Lawrence Massacre.In response, the Union district commander, Thomas Ewing, Jr