"Raymond Williams, the first analyst to pay attention to the fact that television is not just pictures but flow, and not just flow but drama upon drama, pointed out more than a century ago, long before hundred-channel cable TV and VCR's that . . ." What is the Attributive Phrase?

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.