The market revolution sparked explosive economic growth and new personal wealth, but it also created a growing lower class of property-less workers and a series of devastating depressions, called “panics.” Many Americans labored for low wages and became trapped in endless cycles of poverty.
António da Mota and Francisco Zeimoto hope this helps
This is the power exercised direct by people themselves (<span><span>popular sovereignty</span>)
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The United States prospered greatly because of high demand for goods and services. They also benefited from lack of damge from the war. The Marshal Plan and Social Welfare Programs were a benefit for the Western European countries. Japan highly benefited from strong export sales and strong American support.