Does anybody know what this answer is

acid rain is the answer

answer; the basal forebrain;

i do believe   by (keeping an organized record of all sources he or she referenced)good luck.

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.