1. to fit the changing need
2. it is important because it allows the Government of the United States
to "make all laws which shall be necessary and proper for carrying into
execution the foregoing powers, and all other powers vested by this
constitution."
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.