As far as I know, some players of the (both) World War(s) were involved because they got only later in the game for colonies. Actually that's exactly what forme

As far as I know, some players of the (both) World War(s) were involved because they got only later in the game for colonies. Actually that's exactly what formed the Axis Power in the WW2 - countries constituted only later as Germany and Italy, or Japan which only later got itself out of a stagnant isolationist stance. No single event could have prevented the war(s).