Complex sentence: With Union forces now patrolling home front areas, many Home Guard units disbanded to avoid being considered or mistaken for guerrillas, and it became increasingly difficult for the Confederacy to enforce any action against deserters who returned home.
Split into simpler sentences: With Union forces now patrolling home front areas, many Home Guard units disbanded to avoid being considered or mistaken for guerrillas. As this happened, it became increasingly difficult for the Confederacy to enforce any action against deserters who returned home.