I've been wondering about something since I read story released about Lion clan. In it we read about Lion clan attacking Toshi Ranbo (city currently controlled by Crane clan), lot of people dying including Akodo Arasou. There is even mentioning of a war between those two clans. If I'm correct Ranbo was built by Crane, than Lion attacked and took over yada yada... since ever Crane and Lion are fighting for it.
So, my question is this; what is Emperor doing about that, why is he letting two clans kill each other? Shouldnt he keep order in Rokugan? Especially between clans.
Is it because fighting and war is considered honorable thing in Rokugan? That's the only reason I can think of that supports constant clan rivalries.