Hallie Jackson. Hallie Marie Jackson (born April 29, 1984) is Chief White House correspondent for NBC News, an anchor for its cable division, MSNBC and a fill-in anchor for Today. She has worked in Salisbury, Maryland; Dover, Delaware; Hartford, Connecticut; New Haven, Connecticut; and Baltimore, Maryland before joining NBC News in 2014. Contents.
Pinckney's Treaty. noun. 1. an agreement in 1795 between Spain and the U.S. by which Spain recognized the 31st parallel as the southern boundary of the U.S. and permitted free navigation of the Mississippi to American ships.
Alternative Titles: Treaty of Friendship, Limits, and Navigation Between Spain and The United States Pinckneyâs Treaty, also called Treaty of San Lorenzo, (Oct. 27, 1795), agreement between Spain and the United States, fixing the southern boundary of the United States at 31Â° N latitude and establishing commercial arrangements favourable to the United States.