A visual representation of military strategies and battles is the goal of History Animated. Currently many of the Revolutionary, Civil, and Pacific war are available. (You can sign up for their mailing list to get updates of new animations.) While the site does allow you to download, I had some trouble, yet the links did work. These animations are fairly straightforward. There is also an option (for a fee) to purchase a CD with the animations. There are maps, limited music, and text. This is not a flashy video game type of presentation-yet I think it would be a worthwhile tool especially for the visual learners.
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