Answer:
By the end of the 1920's buying started to slow down. When stores that had huge amounts of goods stopped ordering from factories, the factories had to cut back. Large amounts of factory workers were laid off even before the stock market crashed. When the crash finally come, many more people lost their jobs and savings
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Well for some to list off, there's the Washing Machine, Microwave, ATMs, and one of the biggest changes being Radio by Ernst Alexanderson and Reginald Fessenden. There were also electronic televisions by Philo Farnsworth in 1923, later on to be adapted by your modern television creators like Sony and Sharp.
There's a lot of inventions that occurred during the 19th and early 20th centuries. I've only named a few. There's also during that time period advancements of Air Travel after<span> Orville and Wilbur Wright in 1903. As well as Military Tanks, advanced guns, gun silencers for the Military, as well of course, the Atomic Bomb in 1945.</span>
