Changes

Polk launched an invasion of [[Mexico]] to prevent an imminent Mexican attack on [[Texas]].  

Polk launched an invasion of [[Mexico]] to prevent an imminent Mexican attack on [[Texas]].  

Polk declined to run for a second term.  He shortly afterwards retired at Polk Place, [[Nashville]] where he died on June 15, 1849.  He was the first President to be outlived by his mother.<ref name = "EncyclopediaPresidents"/>

Polk declined to run for a second term.  He shortly afterwards retired at Polk Place, [[Nashville]] where he died on June 15, 1849<ref>http://www.ipl.org/div/potus/jkpolk.html</ref>.  He was the first President to be outlived by his mother.<ref name = "EncyclopediaPresidents"/>

==Notes & References==

==Notes & References==