*Nonintercourse Act (Indian Intercourse Acts): 1790, 1793, 1796, 1799, 1802, and 1834. To set American-Indian boundaries of reservations and establish gov’t regulation of commerce between Americans and Native Americans, i.e. must have federal gov’t approval to purchase land, claims, etc. from Indian tribes. The first four expired after 4 years, the 1802 & 1834 did not expire. The 1834 Act denoted Indian Territory as "all that part of the United States west of the Mississippi and not within the states of Missouri and Louisiana, or the territory of Arkansas."