Map Resources
Map complete with information about each acquisition
http://www.learner.org/interactives/historymap/states.html
Animated U.S. growth map
http://www.animatedatlas.com/movie.html
Maps and text information
http://en.wikipedia.org/wiki/United_States_territorial_acquisitions
http://www.learner.org/interactives/historymap/states.html
Animated U.S. growth map
http://www.animatedatlas.com/movie.html
Maps and text information
http://en.wikipedia.org/wiki/United_States_territorial_acquisitions