and when those who bore the ark were come to the Jordan, and the feet of the priests who bore the ark were dipped in the brink of the water (for the Jordan overflows all its banks all the time of harvest),
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.