The sale of imitation native american headdresses at popular music festivals by non-native groups to be worn predominantly by non-native americans, thereby weakening the political and cultural significance of the headdress, is an example of:

Cultural Appropriation

Explanation:

    Cultural appropriation is the adoption of some specific elements of a culture by a different cultural group.

    It describes acculturation or assimilation, but may imply a negative view of the acculturation of a minority culture by a dominant culture. In today's society, the term "cultural appropriation" is practiced constantly, either as a reflection of fad or media induction.

norsemen from northern countries had made earlier journeys