Behold, when we come into the land, you shall bind this line of scarlet thread in the window which you did let us down by: and you shall gather to you into the house your father, and your mother, and your brothers, and all your father's household.
The first city that the Israelites had to conquer was Jericho, for it blocked their passage through the mountain pass to the land beyond. Joshua sent two men ahead to spy out Jericho, and although their presence in the city was discovered, they received protection from a prostitute named Rahab (2:1-7).