3. Explain the changes in the growth of the enslaved population versus the free population.
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c is the answer for this

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.  

human impact on coral reefs is significant. coral reefs are dying around the world. damaging activities include coral mining, pollution