Envisaging the West: Thomas Jefferson and the Roots of Lewis and Clark

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Place Name

Fort Vincennes

Thomas Jefferson to George Rogers Clark, January 29, 1780 Thomas Jefferson issues instructions for the construction of a fort on the Falls of the Ohio, offering the services of surveyors Thomas Walker and Daniel Smith, who are in the field plotting a line between North Carolina and Virginia. Addressing the need to defend the western frontier from British advances, Jefferson authorizes Clark's recruitment of a battalion of soldiers, with land warrants issued as payment. Jefferson also expresses concern over the establishment of peaceful relations with French settlers and Native groups already in the region.

Virginia's delegates cede western counties to the nation. The wrangling between Virginia, Maryland, and other "landed" states and the Congress over the use and distribution of western territory was a long and contentious process. With this document, Virginia's delegates cede land northwest of the Ohio River to the nation.

Northwest Ordinance, July 13 1787. Setting the stage for western expansion, the Northwest Ordinance of 1787 shaped the development of the territory north and west of the Ohio River.