Final answer:
Lame Deer believes Americans live by materialistic and individualistic values, in contrast to Native American values that emphasize harmony with nature and communal welfare.
Step-by-step explanation:
Lame Deer, a Native American spiritual leader and activist, has critiqued the way in which Americans live, detailing a perspective that they are often driven by materialism and a disconnection from nature. He believed that Americans prioritized economic success and technological advancement over spiritual wellbeing and respect for the earth. Lame Deer highlighted the differences between Native American values, which emphasize a harmonious relationship with the natural world and communal welfare, and the individualistic and consumption-oriented values that he observed in mainstream American society. This contrast is meant to encourage reflection on the cultural values that guide our daily lives and the consequences these have on the world around us.