I believe the answer is D. I have not read this text but that seems like the most logical answer.
Answer: Ethnocentrism is the evaluation of many cultures according to the preconceptions in the standards of an individual's culture. It's very effective in one's cultural identity, because it helps them to understand their cultural roots. It even processes the standard of their culture. Weither it be their language, behavior, religeon and other customs. It's the uniqueness of an individual to describe their ethnicity cultural value no matter how peculiar we all think it may be. Even though ethoncentrism helps a person to accept their cultural values. There is a negative side that may or may not turn the person into a determinative person to other cultures. I'm not saying that it turns everyone this way though. It is simply the socially scientific view this nature. Ethoncentrism helps the person to identify who they really are, and personally it is helpful for them to know themself and their ancestors through cultural events.
Explanation:
If the time school begins get pushed back later in the morning, students can work on homework late and still be able to get all 8 hours of sleep. This will keep them more awake and paying attention in class.
It protected the United States from competitors located in foreign countries.
The answer is D. Think about the opium trade.