October 7, 1763 | Treaty Proclamation of 1763. In the aftermath of the French and Indian War, the British crown issued this proclamation, which severely limited colonists' access to land west of an imaginary line running down the crest of the Appalachain Mountains. With this attempt to reorganize British control in North America and maintain orderly relations with Native peoples, George III further alienated colonists who saw western expansion as an inevitable process. Many provisions in the Proclamation remained intact until 1776, although incursions by colonists into land west of the Proclamation Line were common.
July 11, 1790 | Letter Thomas Jefferson to James Monroe, July 11, 1790 Thomas Jefferson writes to James Monroe about paying the public debt and Congress' willingness to do so. Jefferson believes establishing the nation's credit is critical to showing its ability to go to war should England and Spain do so. Jefferson hopes to avoid conflict: "Our object is to feed & theirs to fight." Jefferson worries that English and Spanish designs on North America would leave the United States surrounded by potential aggressors.
March 18, 1792 | Report Thomas Jefferson to George Washington, March 18, 1792 A detailed examination of the current and future prospect for western expansion and the legal and political ramifications of such movement.