What two cities contributed to jazz in Pennsylvania

Philadelphia and Pittsburgh both made good contribute to the evolution in jazz in the twentieth century.

Explanation:

Idk if this is right I just know that New York and Chicago were contributes but aslo Philadelphia and Pittsburgh

from my own personal expirence food stamps has alot this makes it eaiser so we can affod bills and so we can life a better lifestyle not needing to worry about paying actual money to buy food since most people spend 100-300 dollars a month on food so this alot so we can afford other bills and other stuff we need

i think economic depression and disrupted trade and commerce