Answer:
Beginning in 1781, the government of the United States operated under the Articles of Confederation. The Articles created a unicameral legislature, called Congress, without a separate executive and judicial branch. Under the Articles of Confederation, Congress had the power to create money and post offices.
Explanation:
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<span>Historians have labeled the years from 1870-1914 as the period of the Second Industrial Revolution. While the First Industrial Revolution caused the growth of industries, such as coal, iron, railroads and textiles, the Second Industrial Revolution witnessed the expansion of electricity, petroleum and steel.</span>
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