Correct the error of faulty parallelism in the following sentence.
marsha's plan was to practice every day for the recital, to work on trouble spots in the music, and arrive at the concert hall early to steady her nerves

basic principle: a pronoun usually refers to something earlier in the text (its antecedent) and must agree in number — singular/plural — with the thing to which it refers. the indefinite pronouns anyone, anybody, everyone, everybody, someone, somebody, no one, and nobody are always singular.

it shaped life in both positive and negative ways. the positive sides of the medieval government was that it had a very strong and military. the citizens felt safer because of the high military interference. the citizens also had a positive attitude towards the artisan class and gave a huge respect to them. there is also a negative side of the government where the government would use the military too much on its citizens which created a sense of autocracy. it was oppressive to the peasants especially to the women.