cedars ... oaks - image for haughty nobles and princes (Amo 2:9; Zec 11:1, Zec 11:2; compare Rev 19:18-21).
Bashan - east of Jordan, north of the river Jabbok, famous for fine oaks, pasture, and cattle. Perhaps in “oaks” there is reference to their idolatry (Isa 1:29).