The correct answers are 1) automobiles. 2)music. 3) radio. 6) new inventions.
What made the twenties “roar” were the following: automobiles, music, the Radio, and new inventions.
The good old days! The "Roaring 1920s" A wonderful time in the United States where US citizens lived a period of economic boom, new inventions due to technological advancements, overconsumption, and the use of credit to buy all the necessary and unnecessary things.
Those years had their consequences for the US. Most of those purchases were made bu credit, and that created problems. Economic conditions started to change and in October 1929, the United States stock market crashed, leaving many people without jobs, companies closed, and banks went into bankruptcy. The American economy had many issues at the end of the 1920s.
