After Nuclear Bombs, Somebody realized that No more physical (I mean not only chest to chest conventional wars but also all kind of wars that nuclear powers placed at opposite sides) wars will take place between the world nuclear power league members As the accidentally published Russian Nuclear Missiles Blue Prints say to world.(it means if you keep going to play on me I can use my Nuclear warheads said by Putin).
Here is the timeline of civil wars or internationally financed country wide terrorist attacks on the map as the new style of world wars.
Data taken from https://www.prio.org/Data/Armed-Conflict/UCDP-PRIO/Armed-Conflicts-Version-X-2009/
Note: Internationally financed terror organization sometimes can hit the colonist capitals. All types of terror must be finished not financed or supported…