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.
Thomas Pinckney, U.S. minister to Britain, was dispatched to Spain and won two highly desirable concessions: 1  Spain recognized U.S. borders at the Mississippi and the 31st parallel (the northern border of Florida, a Spanish possession) 2  Spain granted Americans the right to deposit goods for transshipment at New Orleans.