Complex sentence: Seeing no arrival of Union reinforcements, someone on the Confederate side ordered an attack about 4 p.m. Brigadier General Alfred Mouton and his infantry marched across an 800-yard wide field and attacked the Union forces behind a rail fence in several bloody charges.
Split into simpler sentences: Seeing no arrival of Union reinforcements, someone on the Confederate side ordered an attack about 4 p.m. Brig. Gen. Alfred Mouton and his infantry marched across an 800-yard wide field and attacked the Union forces behind a rail fence in several bloody charges.