No, Smiley, because the Sioux (and the other NAN) weren't just sitting on their hands all that time. They all have national militaries of their own, complete with all the bells and whistles. Hell, even during their war to take 'their' land, they took over Army and National Guard armories as they went along. And you know where the old United States kept a large portion of their nuclear weapons? The areas where the NAN are now. In other words, the Ghost Dance is just one of many tools in their toolbox.