Americanization can be best described as

Americanization is a process of cultural assimilation referred to the influence that the culture of the United States of America exerts in other cultures of the world, which results in a process of substitution of the native culture for that of the United States. For many observers, Americanization, like any process of cultural assimilation, is a threat to cultural identity and rests on the basis of the process of globalization.

c or d both can be the answer