 Complete the following phrase:  Discussion has centered on such themes as the conflict between modern human and nature, and the films treatment of imperialism, racism, militarism and patriotism, corporate greed, property rights, spirituality and religion. Commentators have debated whether the films treatment of the human aggression against the native Navi is a message of support for indigenous peoples today, or is, instead, a tired retelling of the racist myth of the noble savage. Right-wing critics accused Cameron of pushing an anti-American message in the films depiction of a private military contractor that used ex-Marines to attack the natives, while Cameron and others argued that it is pro-American to question the propriety of the current 