B. You expect the rest of the world to follow your customs and share your values.
Explanation:
Ethnocentrism is a term used by anthropologist to describe someone opinion who view or see his/her culture as superior to other peoples cultures and want them to follows own ideas, norms and believes. It is a major factor that causes divisions among members of different races, ethnicities, and religious groups who coexist in common environs.
Answer: Hey! You might think bipolar people are like that, but she's totally normal. Their moods change instantly. You're not the only one with a mother like that. Many people have them, for instance two friends of mine. Think about her good things. It'll be okay. Hope this helps!