I'm about to start GMing for a couple groups, and while I know some of this falls under "your table your story", I'd still like to know more about this particular topic.
How much actual open conflict is there among the clans of Rokugan? I was initially under the impression that they all mostly worked together (more or less) , with some of them just not fully trusting/liking each other, and most of the conflict between them being political maneuvering and the like. But, reading up on more of the recent fluff/lore, it mentions things like the Mantis Clan raiding villages/boats, and the Unicorn and Lion Clans doing battle and the like.
So is it mostly political maneuvering and the actual conflicts are outliers, or are some of the Clans constantly at each others throats with the Emperor spending most of his time trying to tell them all to play nice? Somewhere in between? Enlighten me, O sages!