1. of 7. Sioux headdress / war bonnet- Native Americans Vow A Last Stand To Block Keystone XL Pipeline: They haven't abandoned their goal of killing what some call "the black snake." Tribes are busy preparing for "resistance training" aimed at TransCanada, the company that wants to develop the 1,700-mile pipeline.
The Sioux can be found throughout the northern Plains, including North and South Dakotas, northern Nebraska, eastern Wyoming, and southeastern Montana. The arrival of white Americans following the Louisiana Purchase lead to an end to native Sioux life due to the depletion of the buffalo. There are three native Sioux dialects, Dakota, Lakota and Nakota. Biggest and most famous of these is Lakota.