I think the biggest thing federal recognition has meant for the Standing Rock Sioux was the ability to sue the Army Corps of Engineers for not following its obligations to consult with the tribe. Ultimately the court found that the Standing Rock Sioux had decided to not consult with the Army Corps, and that the court could not enjoin further construction of the pipeline. However, almost immediately upon that decision being released, the U.S. Department of Justice said that the Army Corps would not move forward with any further construction in the area of Lake Oahe, which is of particular concern to the Standing Rock Sioux, until they had the chance to better study the matter/consult with the Standing Rock Sioux. It's worth noting that the USACE was required to consult with the Standing Rock Sioux because they are a recognized government, and it was that basis on which the Standing Rock Sioux brought their legal challenge. Hope that's helpful.