「Wars, not to say world wars, are complicated. Zero-sum games? "Prisoner’s dilemma"? From statics to dynamics? Thomas Schelling, an eventual Nobel Prize winner (2005) provided some expert views in this 2002 piece which quoted him.
Explanations 2 ("Diverging interests between people and their leaders") and 3 ("Ironic twist") are noteworthy. No. 4 is on the prisoner’s dilemma and No. 5 on "threat bargaining". I know some of you are fed up. For the very basic concepts, absolutely nothing beyond them, my lecture notes on game theory serve some elementary introductions (http://www.1970splus50.com/Notes.htm)
I have just added a new piece which explains the various concepts in more accessible terms: http://www.1970splus50.com/Notes/IIAe-Oligopoly.pdf) 」