How did europe change because of the columbian exchange?

The Colombian exchange is a term used to describe the global redistribution of plants, animals and diseases that resulted from the first contacts between Europeans and Native Americans.

Explanation:

The impact in Europe was immense because the new distribution of food plants meant an advance in the variety of food sources and consequently an important population growth: avocados, potatoes, squash, pineapples, corn, beans, cocoa, tobacco and exotic fruits are currently fundamental in food, as well as emphasizes the importance of animals like turkey

Unfortunately, it is important to highlight the exchange of diseases and in Europe they received syphilis, hepatitis, polio and tubercolosis from America.

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john maynard keynes developed new economic theories in response to the : b) great depression of the 1930s. his theories are so important that they are known as "keynesianism". in his works he supports the idea of a government with deeper involvement and intervention to end the great depression.