imperialism

noun3

1. •
   The policy of forcefully extending a nation's authority by territorial gain or by the establishment of economic and political dominance over other nations.
2. •
   The means of forming, maintaining, or expanding an empire.
3. •
   (figurative) Any undue extension of political, intellectual, or other forms of authority, particularly in regards to systems that benefit the Western world at the cost of the Global South.

   • The moral imperialism of the Supreme Court did not end with Chief Justice Warren’s resignation nor with the departures of the Justices who made up his distinctive majority. — 1990