It is best to be abstract
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.
Answer:
corps - a plant that farmer grow
farm yard-the area next to the farm building
plough- 6)
seeds-3)
land-2)
wheat - 5)
