Read the sentence. walt whitman was an american poet, journalist, and he also wrote essays. which revision most effectively corrects the faulty parallelism in the sentence?

If we consider that Parallelism is the use of components in a sentence that are  grammatically the same ( or similar in their construction), we can correct the given sentence as it follows:

Walt Whitman was an American poet and journalist ( being POET and JOURNALIST two professions and two nouns. He also wrote essays ( as WRITE is a verb, and it doesn't have the same grammatical structure as  POET and JOURNALIST)

the catholic church withhold people's access to the bible during the middle ages.

people could go to church and listen to the teachings, but it was absolutely forbidden to own and/or read the books of both the old and new testaments. it was also prohibited to translate the books (which where originally in biblical hebrew) to any other language.

this was done so the church could remain in control of what their teachings were and to enhance their importance and power, while also being able to judge people's actions through information that was unavailable for the general public.

oil! is what i am assuming