Which of the following led China to make contact with other cultures?

A. The Chinese Empire fell into great poverty
B. The Chinese Empire became very prosperous and looked to trade
C. The Chinese developed a powerful army
D. The Chinese Empire was invaded by other groups

so you know what happened be fore you were alive

explanation:

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.