What was the result of new innovations in the roaring 20s?

The Roaring 20s economy was not without its challenges. Business investors who were smart enough to make and sell the new innovations of the era were handsomely rewarded. As a result, income inequality rose to new levels. Also, the efficiencies brought by new machinery often meant fewer workers were needed in production.

Explanation: Give me the brainiest

assessment is the missing word

a phrase from a poem by ralph waldo emerson about the battle of lexington and concord. emerson's words read, “here once the embattled farmers stood / and fired the shot heard round the world.”