Which royal action destroyed the "feudal pyramid" of authority where local leaders were given power in exchange for their loyalty and service to higher leaders?

john maynard keynes developed new economic theories in response to the stock market crash of 1929. great depression of the 1930s. first and second world wars. economic boom of the 1950s.

an economic reason that the south needed a reconstruction plan is that plantations, factories, and other businesses were destroyed during the war.

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