This was written before the wiping out of UK Independent Party, for example, but a lot of it is still relevant if you add the future water wars and environmental disasters. The coming global civil war: Is there a way out?
“The West won the world not by the superiority of its ideas or values or religion (to which few members of other civilizations were converted) but rather by its superiority in applying organized violence. Westerners often forget this fact; non-Westerners never do.” —Samuel P. Huntington, The Clash of Civilisation and the Remaking of the World Order, 1996, p. 51