Why did the ming dynasty need to rebuild the great wall of china, rather than
continue to use the wall built by the qin dynasty and its early successors?

the two sets of lines are :

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.  

quote is the answer your looking for.

answer; the trial de novo