What is the purpose of having air pollution laws?

the purpose is to keep the ozone strong

Explanation:

Air quality laws are often designed specifically to protect human health by limiting or eliminating airborne pollutant concentrations

Explanation:hope this helps

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.