The statement that presents the best rebuttal to address the counterclaim is C. Sand walls may be ugly, but the protection of people and property is more important.
This refers to the reply made to a given claim in order to counter the claim and prove a better point.
Hence, we can see that the original claim was that sand walls as a protection for floods were ugly, but a good rebuttal would be to mention that it was effective protection.
Read more about rebuttals here:
https://brainly.com/question/24690335
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