Maybe you should call it the Age of High Hopes. Anyway I think Vainglory of Nations fits nicely although it emphasizes the negative side of things. If we exclude the brief wars of unification, the Civil War and the various conflicts in balkans and of course the World War, it was a rather peacefull e...

You may find it strange but I usually like to play against my self (hot-seat), when I play wargames especially TOAW Century of Warfare, Age of Rifles and Steel Panthers III. Actually I do this because I find that the AI is not good enough and because I try to simulate tactics and the way of thinking...