Economic catastrophes occurred in all of the following years except

Can You make the question clear? can you put the followings?

Explanation:

answer; i believe the best and correct answer is stronger bonds between the nations of africa;

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.