James J Braddock earned his nickname "Cinderella Man" from his seemingly fairytale like rise from a poor local fighter to the heavyweight boxing champion of the world. ... Following the Loughran fight and the stock market crash of 1929, Jim Braddock was down on his luck.
Answer:social and economic changes that mark the transition from a stable agricultural and commercial society to a modern industrial society relying on complex machinery rather than tools.
