When you mention the word ideology, everyone has communism in the back of their minds, which was an entirely well formulated ideology and statement of belief. You read the Communist Manifesto and you know what the core of it is.
Samuel P. HuntingtonCertainly here in the U.S., we've had fundamentalist movements that have taken very critical and hostile attitudes toward immigration and the assimilation of immigrants into our society and culture. So these tendencies are fairly universal. The problem is what if they get out of hand and become the dominant factor in a society, which can only lead to the oppression of minorities or even to war with neighboring societies with differing cultures. That's why it seems to me it's important to try to keep these tendencies toward extremism under control.
Samuel P. Huntington