In the middle ages, an indulgence was an object with historical or biblical significance. a document that offered forgiveness for sin. a person who committed a sin or wrongdoing. a gift or monetary donation to the church.

An indulgence in the middle ages was basically where the church forced you to pay money in exchange for forgiveness of sin.  So i guess either B or D.

 B, a document that offered forgiveness for sin.

Explanation:

well stockyards mean a large yard containing pens and sheds, typically adjacent to a slaughterhouse, in which livestock is kept and sorted. and i'm assuming that by party you   mean a large group of people which does make sense because chicago is a very crowded place much like new york. stockyards tend to take up a lot of room due to needing the area for pens to keep animals in and the fact that stockyards are usually right by slaughterhouse where they process and distribute the product. so its much like a zoo but with some dead animal products close by.

the objective should be switched