If you do not understand a word in a sentence you can look at your other words around it for

Context clues

Explanation:

This is a prevalent reading method that enables you to understand a text despite not knowing what some of the words mean; it's essentially like fill in the blank, for ideas. In fact, using context clues can not only make you understand vocabulary words better, but in can improve your understanding of a passage.

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.

it b =a chorus ik for a fact