A nation must think before it acts.
This presentation was part of Great Battles and How They Have Shaped American History, a History Institute for Teachers.
Gettysburg 1863: The Battle That Ensured Anglo-French Non-Intervention and thus Saved the American Union (Video)
Madeleine and W.W. Keen Butcher History Institute
Program on Teaching Military History
Great Battles and How They Have Shaped American History