Which indestry boosted consumerism in the 1920s, feeding economic graph?

Hello,

I would love to answer this question you have, but It seems you didn't add the graph to answer.

To my calculations. This seems what you are looking for.

; In the mid 1920's modern advertisements have boosted, consumerism. The industry of advertisement, it was appearing in newspapers and magazines. They described what-to-buy & why and were.

Thank you,

Deku ❤