Answer:
Ethnocentrism
Explanation:
Ethnocentrism is a terminology in the social sciences used to describe the judging or measuring of another culture or way of life, and believing that one's culture or way of life is superior; this could be as regards, religion, language, morals or customs.
In other words, is believing that one's culture is superior to other cultures.
For example, Americans who use forks, spoons and knives for eating, might find it strange to see the Chinese eating with chopsticks.