The document discusses the history and culture of American Indian tribes before and after European contact. It describes some common aspects of their cultures like oral storytelling traditions, nomadic hunting and gathering lifestyles, spiritual beliefs connected to nature, and gender roles. It then provides some specific details about the Cherokee tribe and the negative impacts of European colonization, including disease, land expansion, and policies like the Indian Removal Act. Finally, it notes there are now over 500 federally recognized tribal governments in the United States.