I think It's the rise of American labor unions
Provide me a picture or piece of text for me to answer this question.
<span>In a free market economy the price of different products gives information about the demand and supply of the products. The price of products increases when the demand rises as there are more buyers willing to pay a larger amount for the same product. Price also goes up when the number of producers supply a smaller amount of the product as they are in a position to demand a larger amount for the same product.
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