In this region, it was primarily the dakota. It is a foothold for future expansion. After the fort was established here, nothing was the same. American between indians and this region and the United States government began to change. Europeans are arriving because of the first trade. They are interested in exchanging first with the dakotas. They are exchanging first for manufactured goods. The first trade really establishes european presence in the region. Fur tradeuse of the that they establish a fortress. They are interested in protecting the fur trade in the area after the war of 1812. The fur trade drives the economic interest in the region. The dakota had their comedy based on the fur based on the 17 and 1800s. To decline, begins that is when you see a shift in relations between the people. Aim. Fire. 1851, the treaties were signed in which the dakotas seated over 24 million acres of the land to the United States. By the 1860s, you had divisions within Dakota Community for those w