Answer :
Answer:
John Maynard Keynes developed new economic theories in response to the Great Depression of the 1930s, First and second world wars. economic boom of the 1950s. Fiat money is currency which derives its value from government regulation or law.
Explanation:
Many countries respond to John Maynard Keynes economic theories by creating programs to protect citizens from economic difficulties . The correct option is d.
What are economic theories?
Keynesians economic theory state that since costs are to some degree unbending, vacillations in any part of expenditure — utilization, venture, or government uses — make yield change. On the off chance that administration spending increments, for instance, and any remaining burning through parts stay steady, then result will increment.
So, Many countries respond to John Maynard Keynes economic theories by creating programs to protect citizens from economic difficulties.
Thus, the correct option is d.
Learn more about economic theories.
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