Complex sentence: Confederate Gen. Robert E. Lee directed his first offensive of the war, a two-pronged attack against Colonel Nathan Kimball's entrenchments on the summit of Cheat Mountain and against Brig.
Split into simpler sentences: Confederate Gen. Robert E. Lee directed his first offensive of the war. The strategy included a two-pronged simultaneous attack against Colonel Nathan Kimball's fortress on the summit of Cheat Mountain and against Brig.