Jazz's growing appeal and popularity paralleled a growing American ________.

This is a fill in the blank. I have no bank of vocabulary to choose from. The sites I had to read were Jazz: A Musical Discussion and two PBS sites: the Roaring 20's and The Great Depression. However, I have read each site three times and I can't find anything that could help me with this question. At this point I think my mind is just fried, but I'm pretty sure it's somewhere in the musical discussion or roaring 20s one, I feel like I'm so close to finding it, but...

2 answers

You might get some ideas by skimming some of these sites.

https://www.google.com/search?source=hp&ei=I9LHWrOWGI-J5wL434uQBQ&q=a+growing+american+roaring+twenties&oq=+a+growing+American++roaring+&gs_l=psy-ab.1.0.33i160k1.4039.15387.0.24273.12.11.0.0.0.0.141.1294.0j11.11.0....0...1c.1.64.psy-ab..1.11.1293.0..0i22i30k1j33i22i29i30k1j33i21k1.0.qT3uqxCf0eI
I believe it’s prosperity