How did tax reduction lead to increased economic growth and prosperity in the 1920s?

As tax rates were cut in the mid‐1920s, total tax revenues initially fell. But as the economy responded and began growing quickly, revenues soared as incomes rose. By 1928, revenues had surpassed the 1920 level even though tax rates had been dramatically cut.

Explanation:

b. great plains

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explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

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