Now Joshua was old and well stricken in years; and Yahweh said to him, You are old and well stricken in years, and there remains yet very much land to be possessed.
We have included this comment, not for any value in it, there being none at all, but for the purpose of showing the biased and fallacious reasoning of critics.  Note that Holmes says that the later writer brought the place into harmony with what was already written, but how could he know that it was not the original author himself who brought about the harmony? Furthermore, the "very much land" in the North and West had already been identified with that Canaan which God promised the Israelites even from the days of Abraham and the later patriarchs!  Sure, Israel did not finally possess all of it, but that will be fully explained under  Joshua 13:6, below.  God's promise to "drive them out" was never an unconditional declaration, but it was always contingent upon Israel's obedience and cooperation, neither of which God received.