Cultural imperialism is the domination of one culture over another. Cultural imperialism can take the form of a general attitude or an active, formal and deliberate policy, including (or resulting from) military action. Economic or technological factors may also play a role. A metaphor from colonialism

Colonialism

Colonialism is the establishment, maintenance, acquisition and expansion of colonies in one territory by people from another territory. It is a process whereby the metropole claims sovereignty over the colony and the social structure, government, and economics of the colony are changed by...

 can be employed: the cultural products of the first world

First World

The concept of the First World first originated during the Cold War, where it was used to describe countries that were aligned with the United States. These countries were democratic and capitalistic. After the fall of the Soviet Union and the end of the Cold War, the term "First World" took on a...

 "invade" the third-world and "conquer" local culture.