Answer& Explanation : I don't believe Americans are ethnocentric than people in the other Western industrial nations. I think most liberated nations tend to measure other people's culture by using their own cultures as the basement of those judgements. America may seem to be more ethnocentric than others only because it is one culture that is always on the spotlight and has been popularized by media and even by people from other nations who adopt certain behavior from Americans. The fact that America is more on the lime light make their views seem more dominant and because they are more expressive when compared to other Western cultures otherwise most western and even some part of Eastern cultures are ethnocentric the difference is they are not on the spot light for everyone to know how they feel.
D. because it allows people to belong to a group with similar values to themselves and not feel alone in what they believe
It does not contain the Literacy clause.
Hate speech is and only is legal under the first amendment when no one is being put in danger by the speech. For example, you can say you hate this person but you can not say I hate this person and I will kill this person.