In the sentence "Women struggled for equal rights." is the prepositional phrase "for equal rights" an adverb or adjective?
The preposition is "for." The phrase "for equal rights" answers the question "how" they struggled, and thus modifies the verb. It is an adverbial phrase, not to be confused with an adverb.
It can't be a prepositional phrase because there is no preposition.
Adverb the prepositional phrase is modefying the verb "struggled". and yes "for" is a preposition
It would have to be an adverb since the definition of an adverb is; a word or phrase that modifies or qualifies an adjective, verb, or other adverb or a word-group.
Neither; it's a phrase/statement