What did countries do to increase their power under mercantilism

maintain a positive balance of overseas trade

use colonies to access raw materials

issue charters for joint-stock companies

Explanation:

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wealthy plebeians became part of the roman nobility. however, despite changes in the laws, the patricians always held a majority of the wealth and power in ancient rome. a third social class in roman society was the slaves. around one third of the people living in rome were slaves.

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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.