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  1. Ideology | Nature, History, & Significance | Britannica

    Sep 25, 2025 · Ideology, a form of social or political philosophy, or a system of ideas, that aspires both to explain the world and to change it. The word was introduced in the 18th century by the …

  2. Hamas | Definition, History, Ideology, & Facts | Britannica

    1 day ago · Formation and ideology From the late 1970s, activists connected with the Islamist Muslim Brotherhood established a network of charities, clinics, and schools and became active …

  3. Ideology - Philosophy, Society, Context | Britannica

    Sep 25, 2025 · An ideology speaks to the group, the nation, or the class. Some religions acknowledge their debt to revelation, whereas ideology always believes, however mistakenly, …

  4. The origins, principles, and ideology of Nazism | Britannica

    Nationalism, ideology based on the premise that the individual’s loyalty and devotion to the nation-state surpass other individual or group interests. This article discusses the origins and history …

  5. Definition, Leaders, Ideology, Fascism, & History - Britannica

    5 days ago · Germany was divided until 1990, and remnants of Nazi ideology persisted. Neo-Nazi groups formed in Germany and other countries, engaging in attacks and confrontations, …

  6. Zionism | Definition, History, Movement, & Ideology | Britannica

    5 days ago · Despite the diversity of Zionism as an ideology, which includes iterations that consider the rights of Palestinians to be fundamental to Zionism’s success, policies carried out …

  7. Left | Definition & Facts | Britannica

    Sep 20, 2025 · This article discusses the political foundations and history of liberalism from the 17th century to the present. For coverage of classical and contemporary philosophical …

  8. MAGA movement | Meaning, Beliefs, Origins, Donald Trump,

    Oct 3, 2025 · Brian Duignan is a senior editor at Encyclopædia Britannica. His subject areas include philosophy, law, social science, politics, political theory, and religion.

  9. Neoliberalism | Definition, Ideology, & Examples | Britannica Money

    neoliberalism, ideology and policy model that emphasizes the value of free market competition. Although there is considerable debate as to the defining features of neoliberal thought and …

  10. Liberalism | Definition, History, & Facts | Britannica

    Oct 17, 2025 · This article discusses the political foundations and history of liberalism from the 17th century to the present. For coverage of classical and contemporary philosophical …