What issue in the 1960s caused a majority of Southern voters to switch from supporting the Democratic Party to supporting the Republican Party? A. civil rights
B. opposition to war
C. the economy
D. states' rights

a) civil rights

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.  

your answer would b. the missisipi river

hope i you : )