Some times ago MMP has delivered a wargame on Gettysburg battle.
This game is part of a series on the civil war battles and has a specific rulebook where the game designer is explaining some of the choices he made : I was surprised by the sheer amount of research he made on Lee, Longstreet and Ewell performance in the battle ("Historical notes" from page 9 to 21).
I share this document with you for your curiosity and because I think its conclusion is not following the main stream...
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