Answer:
the fight
Explanation:
"The fight" is the main noun of the sentence and the pronoun "it" was used refer to the noun. Also, it's the last (and only) noun mentioned before the pronoun.
Pride is a powerful factor in an individual's behavior; it can also be the downfall of that individual.
This sentence is a complex sentence. It is composed of one independent clause and one or more dependent clauses connected to it.
Pride is a powerful factor in an individual's behavior - independent clause
it can also be the downfall of that individual - dependent clause
when they found out that the other man wasn't his grandfather
The answer would be A. Share enough qualities because it is a comparison