Complex sentence: In response to the continued raids, General Philip Sheridan devised a plan of punitive reprisals, his troops would respond to Indian attacks by entering winter encampments, destroying supplies and livestock, and killing those who resisted.
Split into simpler sentences: In response to the continued raids, General Philip Sheridan devised a plan of punitive reprisals. His troops would respond to Indian attacks by entering winter encampments, destroying supplies and livestock, and killing those who resisted.