Consumers did what to cause the economy to grow in the 1920’s?

Consumers spent more on improvised household appliances, automobile, and other goods manufactured through mass production.

The boon that the United States economy receive in 1920's was majorly consumer centric. With the advent of new technologies, the spending habits of people changed as they got attracted towards the new and innovative commodities flooding the market.

Automobile was one such commodity. People, as a sign of dignity, bought cars that were newly being introduced into the market. They also started spending on new and improved domestic appliances as the notion of 'convenience of living' was on fleet during the 1920's.

in his book, the riddle of the rosetta stone, james giblin talks about how there was a young british polymath and physician named thomas young who made a lot of advances on the deciphering of the rosetta stone. he says that even though young made a lot of mistakes because he was working under false assumptions, he also made huge contributions like deciphering three out of the seven symbols (more than anyone else before him). young published his findings and continued his good work but he wasn't able to progress much further due to some unfavorable situations, he still laid the basis for many other scholars and of course for the man who has been generally known to have deciphered it, jean-françois champollion

it is based on the same philosophy as health insurance