Hey there!
The correct answer is: Asking these types of questions can help you recognize whether you don’t understand something.
Antecedent of a pronoun is a word that the pronoun refers to, or replaces. So, in this sentence, we are looking for the antecedent of the pronoun IT. The pronoun IT replaces the noun Chicago, which means that the word Chicago is the antecedent of the pronoun IT.
IT provides the best opportunity, meaning that Chicago does that.
If you are reffering to<em> </em><em>Ransom</em><em> </em><em>of</em><em> </em><em>the</em><em> </em><em>Red</em><em> </em><em>Chief</em><em> </em> he is a 10 year old boy.