(5) during the industrial revoltion,too,homeless people provided much needed labor in the nation's factories
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The answer is fact.
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adjective :
Explanation:The preposition, its object, and any modifiers make up the prepositional phrase. Prepositional phrases most often function as adjectives or adverbs. ... Remember that an adverb modifies a verb, and adjective, or another adverb; and it tells when, where, why, how, under what condition, to what extent.