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steel, cool, oil, and railroads
There where many inventions in the 1920s as it was a time of change but 2 big ones are the car and insulin. I also think that crayobs were invented in the 1920s.
The drill press was invented in the 1920s
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One major invention that is still around today was radio. Another was talking pictures-- today known as movies (movies had been around since 1895, but they were silent until 1927, when technology to bring sound to movies was perfected). Early experiments with television were occurring in the 1920s, and TV is certainly still around today. Frozen food, band-aids, penicillin, bubble gum, and the yo-yo all go back to the 1920s, and all are still around today.
the industries that went into decline were:-CoalMining.-Shipbuilding.these industries did not prosper in the boom in the 1920s.
corn
Many athletes were known for their accomplishments in sports during the 1920s. Some of these include Babe Ruth, Jack Dempsey, and Jim Thorpe.
BMW
automobile
It stimulated growth in many other industries
Only a few basic industries in America in the 1920s controlled the wealth. This lack of diversification contributed to the decline of the economy because when these industries weakened and sales fell tremendously, there were not yet other industries that were advanced and developed enough to counteract the damages made by the decline of these industries like construction and automobile sales.
Corn Wheat Cotton
steel, cool, oil, and railroads
Meat packing
the ones who did not prosper in the 1920s was African Americans and farmers
Depressed crop prices, flourishing industries in urban areas, and strict Immigration controls from Asia and Europe brought about the demographic shifts of the 1920s.