When beliefs about race or culture are used to justify imperialism.

Explanation:

Historically, practices of cultural imperialism have almost always been linked with military intervention and conquest. ... Fueled by a belief in the superiority of their own way of life, colonizers used law, education, and/or military force to impose various aspects of their own culture onto the target population. Cultural imperialism also called cultural colonialism comprises the cultural aspects of imperialism. “Imperialism” here refers to the creation and maintenance of unequal relationships between civilizations, favoring a more powerful civilization.