that the waters which came down from above stood, and rose up in one heap, a great way off, at Adam, the city that is beside Zarethan; and those that went down toward the sea of the Arabah, even the Salt Sea, were wholly cut off: and the people passed over right against Jericho.
The major emphasis in chapter 3 is on the great miracle that God performed to lead the Israelites into the land. The conquest of the land would continue God’s works for His people, all of which they were to remember and appreciate.