Please make this paragraph clearer:
Within about three weeks, as political controversy grew, Confederates began to dispute accounts of a massacre. This slaughter by the Confederates troops under Gen. Nathan Bedford Forrest has been classified by historians as a massacre.
Within about three weeks, as political controversy grew, Confederates began to dispute accounts of a massacre. This slaughter by the Confederate troops under Gen. Nathan Bedford Forrest has been classified by historians as a massacre.