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.
Definition of the Adams Onis Treaty. Definition: The Adams Onis Treaty (aka the Florida Treaty and the Transcontinental Treaty) was an agreement signed on âFebru ary 22, 1819 between the United States and Spain that gave Florida to the U.S. and set out a boundary between the United States and New Spain (now Mexico).