They did not destroy the nations, concerning whom the LORD commanded them:
Read Chapter 106
George Leo Haydock
AD 1849
Them. Commanding no idolatrous government to be left in the land, nor any Chanaanite to be permitted to live, who should make opposition. The law of extermination must probably be thus restricted. The Jews neglected these ordinances, and hence became so often infected with idolatry, (Berthier) even to the end of the republic, when many still adored the sun. (Josephus, Jewish Wars ii. 8.) (Exodus xxiii. 32., and Josue xiii. 13.)