The participle in this sentence is "sweating". It's a participle of the verb " to sweat" and it's a present participle: which we know because it ends with an -ing (past participles end with "-ed).
<span>The subject tells what the sentence is about; it contains the main noun or noun phrase. </span>
"Quicksand is more than a novel about a person’s search for identity. <span>
It offers a critical commentary on diverse cultural and racial societies—their oppressive institutions, outmoded traditions, false values, and distorted ways of perceiving reality.</span>
..Furthermore, she finds the sensual excesses practiced in Harlem to be repulsive to the values of her moral upbringing. is more than a novel about a person’s search for identityAgain seeking..."
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I believe it's about finding who you are and understanding your values.
Look everyone the answer is
B) To validate the history of the Kiowa people