What president of the United States signed the Treaty of 1818, which gave United States of America the Pembina Region?
Pembina Region The Pembina Region ( ), also referred to as the Pembina District and Pembina Department, is the historic name of an unorganized territory of land that was ceded to the United States. The area included parts of what became North Dakota, and a portion of central eastern to northeastern South Dakota. The eastern boundary was the Red River, and included the Pembina River area. The region was formerly part of British Rupert's Land and the Red River Colony (controlled by the Hudson's Bay Company), that encompassed an area then known as the Assiniboia District, from 1763 to the signing of the Treaty of 1818. The treaty transferred the region that was south of the 49th parallel from the British to the United States.
Boundary Treaty of 1970 The 1970 Boundary Treaty between the United States and Mexico settled all then pending boundary disputes and uncertainties related to the Rio Grande (Río Bravo del Norte) border. The most significant dispute remaining after the Chamizal Settlement in 1963 involved the location of the boundary in the area of Presidio, Texas, and Ojinaga, Chihuahua. The river channel was jointly relocated to approximate conditions existing prior to the dispute which arose from changes in the course of the river in 1907. The International Boundary and Water Commission was charged with its implementation. The American-Mexican Treaty Act of October 25, 1972 authorized the United States Section's participation. The project was undertaken in 1975 and completed in 1977.