So the people shouted, and [the priests] blew the trumpets; and it happened, when the people heard the sound of the trumpet, that the people shouted with a great shout, and the wall fell down flat, so that the people went up into the city, every man straight before him, and they took the city.
The writer did not explain the reasons for Israel circling Jericho once a day for six days and then seven times the seventh day. This strategy did give the king of Jericho an opportunity to surrender. The uniqueness of this approach undoubtedly impressed everyone with the supernatural character of the victory. It involved almost incredible faith for the Israelites (Hebrews 11:30). There was probably also some significance to the number seven. This may have impressed the Israelites further that the victory was a complete work of God, following the pattern of the seven days of creation.