A prepositional phrase describes the noun in this sentence the prepositional phrase is "of support" it is describing "letter" so the object of the preposition is "letter"
<h3>B. The author is unhappy about the changes</h3>
The author is unhappy about the changes to be happened to the Freedom Tower as expressed by him in the lines. He fears that the tower may become bulky if extra security demands are grafted.
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Answer:
make or become (ex: fossilize)
OR
treat in a specified way (ex: pasteurize)
Explanation:
You have to show us or tell us the story that goes with this.