Which factor was NOT a reason for the economic boom in the USA during the 1920s?

Jerosana.Galanay

mvilaire2

nekvindova.jana

manderson

kclark

spackard

amcwhorter

robert.stjohn

hernan.banoalbani

binottod

taddeow

bdiamond

fiona.grant

spackard

dph.ting

sivalb72

bonsignc

nmedinad

amber.day