Do you remember how they swore upon the rock just two chapters ago at the end of Joshua? One generation should not make oaths for the children of the next. Did they not take into account that Joshua may well have brought all this up because of something he knew all to well? There were already foriegn gods in their possession for them to have to put away.
2012 - pBiblx2 Field Wise Bible System Version 2.0.9d - GPL3