nationalism
Nationalism refers to an ideology, a sentiment, a form of culture, or a social movement that focuses on the nation. The development of Nationalism is closely related to that of the modern state and the push for popular sovereignty that came to a head with the French Revolution in the late 18th century.
Since that time, nationalism has become one of the most significant political and social forces in history, perhaps most notably as a major influence or cause of World War I, World War II, and the First Indochina War.
