Come now, they burned the landscaped, over hunted their lands, droves whole herds off of cliff sides, and massacred any neighbors that posed a threat to their hunting grounds? That is living in harmony?
Here are some quick links for you.
http://www.google.com/search?rlz=1C1...ndians+harmony
http://www.victorhanson.com/articles...ton112205.html
http://www.reason.com/news/show/30146.html
It is not an argument, it is an education.