view the page from whence this image comes lots of usefull info about english history though a pinch salt as always is required as concerns the mists of history.

the blue names above represent all the different tribal areas theyre boundarys are not marked, because in truth the boundarys of tribal groups are difficult to assert, but each tribal name represent tribes that might of at some point been at war with each other.

why is that people always think theyre going to be better off by dividing into smaller and smaller groups ? sometimes smaller societys are easier to manage efficiently … agreed. Seperatism can get very wearing though, especially history informs so often that often these distinction are based on arbitrary or often misunderstood lines about identity.