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.
On the 18th, Philippe Bunau-Varilla, representing Panama, met with Secretary of State John M. Hay in Washington, D.C., to negotiate the treaty that gave the United States in perpetuity a strip 10 miles (16 km) wide across the isthmus for canal construction.