ref: https://www.merriam-webster.com/dictionary/ultranationalism

Fascism is a more complex but is basically is a far-right, authoritarian, and ultranationalist political ideology. It's adherents tend to

    Exalt Their Nation and Race
    Embrace and Support Authoritarian Governance
    Condone Militant Nationalism and Violence
    Prefer Social and Economic Regimentation
    Parrot Populist Rhetoric
    (credit Wikipedia, Britannica, et AL)