Answer:
In the 1920s the economy was amazing and doing great so everyone was partying and having fun thats why its called "the roaring 20s" but the 1930s are called the great depression because the stock market crash that happened in 1929 made the unemployment rate sore up to 25% and higher and nobody had any money anymore until 1939 when the great depression ended and world war 2 started.
Explanation:
