Electrical power transition idea: Hegemons impose stabilizing ailments on the world order, However they inevitably drop, and war happens any time a declining hegemon is challenged by A further soaring ability or aims to pre-emptively suppress them.  Median age by region. War reduces lifestyle expectancy. A youth bulge is apparent https://connerwodri.digitollblog.com/36400552/war-2-movie-watch-online-an-overview