In the Chevron case, the Supreme Court considered a challenge to an EPA rule that established "bubbles" over industrial plants as a part of measuring pollution. The Court held that the EPA's rule was .

The Court held that the EPA's rule was valid as courts generally defer to the expertise of an agency.

the answer is a quran

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.