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.
PINCKNEY TREATY. The Pinckney Treaty, officially called the Treaty of San Lorenzo, was signed by the United States and Spain on October 27, 1795, to end a dispute between the two countries over land settlement and Mississippi River trade.he Pinckney Treaty represented significant gains for the United States during the administration of its first president, George Washington (1789 â 1797); lingering questions were settled between the two countries which had arisen since the United States won the American Revolution (1775 â 1783).