Answer:
During the mid- to late 1920s, the stock market in the United States underwent rapid expansion. It continued for the first six months following President Herbert Hoover’s inauguration in January 1929. The prices of stocks soared to fantastic heights in the great “Hoover bull market,” and the public, from banking and industrial magnates to chauffeurs and cooks, rushed to brokers to invest their liquid assets or their savings in securities, which they could sell at a profit. Billions of dollars were drawn from the banks into Wall Street for brokers’ loans to carry margin accounts.
It would be between increased population, a steady stream of agricultural production, and technological advancements. As for the most important one of those three; that would be agricultural production.
Economic activities and religion i think