May 10, 1789 | Letter Thomas Jefferson to George Washington, May 10, 1789 Thomas Jefferson expresses his hopes for the future exploration and navigation of the Ohio and Potomac Rivers, adding a discussion about other avenues of water navigation that could promote western expansion and commerce. Jefferson also informs Washington he hopes to return to the United States, having appealed to John Jay for permission to do so. The letter also includes references to the role of the Marquis de la Fayette in French politics.
August 27, 1790 | Report George Washington to Thomas Jefferson, August 27, 1790 George Washington asks for Thomas Jefferson's opinions on a variety of security concerns on the United States' western borders, particularly given the threat of British/Spanish hostilities. Jefferson answered on August 28, 1790.