In defining the word nationalism, at least five senses can be identified: (1) a sentiment of loyalty to a nation (a variety of patriotism); (2) a propensity, as applied to policies, to consider exclusively the interests of one's own nation, especially in cases where these compete with the interests of other nations; (3) an attitude that attaches high importance to the distinctive characteristics of a nation and, therefore, (4) a doctrine that maintains that national culture should be preserved; and (5) a political and an anthropological theory that asserts that humankind is naturally divided into nations, that there are determinate criteria for identifying a nation and for recognizing its members, that each nation is entitled to an independent government of its own, that states are legitimate only if constituted in accordance with this principle, and that the world would be rightly organized, politically speaking, only if every nation formed a single state and...