A nation that pursues a foreign policy of isolation will most likely: a) make all decisions based on self-interest.

b) be vulnerable to attack.

c) be distrustful of all other nations.

d) become wealthier.

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.  

its b i googled it wish u luck

answer; /// decreasing responsiveness to a stimulus to which one is repeatedly exposed;