Based on the 1920 u. s. census, more people lived in since the country began.

the answer is cities this is do to the opportunities in factories u where basically guaranteed to make ur living in a factories compared to a farm where weather was unpredictable on top of the the jim crow laws made it to where most blacks moved to the north where factories therefore cities where common

(srry I know my spelling sucks but thats ur answer hope it helps:-)

ok what is this for my man