Chapter 20 of the Book of Deuteronomy, Moses instructs the Israelites on how to approach warfare as they prepare to enter the Promised Land. He emphasizes the importance of faith and courage, reminding the soldiers that God will be with them in battle. The chapter outlines specific regulations for warfare, including the offer of peace to distant cities and the treatment of captured cities. It also addresses the destruction of certain enemies and the preservation of life within the land. This guidance serves to establish a moral framework for Israel’s military actions, reflecting their covenant relationship with God.