If one is a libtard behaviorist then everything is the environment's and society's fault. There is always a denial of free will and any personal responsibility
When will they stop yammering about it? They freely enjoy the benefits of whites building this country, the automatic citizenship that they received when this nation is formed, and as the same with Blacks, full emancipation via the blood of hundreds of thousands of whites.
As for their lands and people, what have they, as a people, done with it? They lived a nomadic life, pretty much going about with no major civilization being fully developed. The Incas and Maya built their civilization very well, but here in North America the minorities that whine the most tend to do the least with what they have to work with.