They didn't consider they people, religion, or ethic groups in the decision to divide them.
The British Invasion<span> was a phenomenon that occurred in the mid-1960s when rock and pop music acts from the United Kingdom, as well as other aspects of </span>British<span>culture, became popular in the United States, and significant to the rising "counterculture" on both sides of the Atlantic.</span>
I believe that it is the first one about tribes