Ukraine, Yemen, what's next?
WWI started because someone wanted to end monarchy and nobility. Someone wanted to seize power and control capital from behind the scenes.
WWII was just the follow up, consequence of careless greed.
WWIII will be...?
The proof that no one can rule over all? That we can't unify? We can't exist in many independent groups?
You mean the Nazis and the Imperial Japanese army are the good guys?