What were the key political, economic, and social development during the age of jackson?

A movement for more democracy in American government in the 1830s. Led by President Andrew Jackson, this movement championed greater rights for the common man and was opposed to any signs of aristocracy in the nation.

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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.