Culture shock is .a. a set of beliefs and practices that helps to maintain powerful social, economic, and political interests. b. the act of viewing people's behavior from the perspective of one's own culture. c. being unaware of the existence of other cultures. d. the feeling of surprise that is experienced when people witness cultural practices different from their own.

d. the feeling of surprise that is experienced when people witness cultural practices different from their own.                                                            

Explanation:

Culture shock: In sociology, the term "culture shock" is determined as an individual's feelings of anxiety, uncertainty, or confusion that he or she experiences while doing business, visiting, or living in a particular society that is considered as different from his or her own culture. However, social norms associated with a culture differs significantly across different regions and countries.

In the question above, the correct answer is option d.

world war i had a devastating effect on german-americans and their cultural heritage. up until that point   german-americans, as a group, had been spared much of the discrimination, abuse, rejection, collective mistrust experienced by so many different racial and ethnic groups in the history of the united states. indeed, over the years, they had been viewed as a well integrated and esteemed part of american society. all of this change with the outbreak of war.