In 1990, Yugoslavia fell apart into its tribal entities, and the Soviet Union broke up soon after. And now that we dumped Saddam from Iraq, it may well break up into Sunni, Shiite, and Kurdish areas. And even Canada is ever so slowly losing its grip on Quebec. Oh yeah, did I mention that some folks would like to break off parts of the USA?
All over the world empires are falling apart into their original tribal constituents. But the Neo-Conservatives would like to create a new world empire under the direction of the United States and its corporate backers.
The tide is against them, and they will fail to create a world empire. But how many millions (or billions) of people may die before the failure of empire becomes obvious?
At this point in history, the world is moving in the direction of tribalism. That could be a good thing if done right.