Answer:
Pathos
Explanation:
This is an appeal to emotion, or pathos. The keywords here are "guilt" and "shame". This is to try to invoke the emotions of guilt and shame within those who pollute in an attempt to get them not to pollute anymore.
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The first play of merit, written in 1852, was an adaptaion by George L. Aiken if Uncle Tom's Cabin.
it broke through racial barriers of segregation