 The ruling resolved a long-standing border dispute between the two states, which had nearly erupted in military clashes during the so-called "Honey War" of 1839.In 1808, the Osage Nation ceded all land east of Fort Clark (in what is now west-central Missouri) and north of the Arkansas River to the United States in what became known as the Treaty of Fort Clark.In the wake of the War of 1812, the United States concluded the Treaties of Portage des Sioux, a series of treaties with Native American tribes which (among many other things) further defined the boundaries of the Osage Nation.