Hat Map: Shogun 2's Backstory Explained

I can explain Shogun's backstory, too, right. See, as in most conflicts throughout history, there are these warlords and they have a disagreement about their kind of hats that should be worn in Japan. To settle the dispute they decide to gather all their mates, dress them in the hats of choice, give them sharp, pointy sticks, and then see who wins in a big fight. Turns out the guy with the biggest hat won and ruled for 100 years, but you get to contest the actual history in the game. Something like that. I am basing my history of feudal Japan on a cursory reading of the Headgear Of Japan Wikipedia entry. For more details you can check out the official trailer, which I have embedded below.