<span>The Mississippi, Ohio, Missouri, Illinois, and other rivers knit together the American nation over the course of a century. In an era before widespread highways and railroads, the farms and industries of the Midwest poured their goods downriver to markets around the world. The boomtowns of the century—New Orleans, St. Louis, Cincinnati, and many others—thrived and grew on this waterborne commerce. Waterways were so valuable that the nation began building them. The Erie Canal was one.</span>
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Because they are not in an area that is in danger of having an earthquake
<u>Answer:
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The principle of federalism refers to the distribution of power between the central and the state government.
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Explanation:</u>
- The principle of federalism is a mode of a political organization or a basic principle in any country that unites the different states of the country to the central government and at the same time allows the different sates to maintain their individuality and integrity.
- It is a 'division of power' among the central government and the other states of the country.
- By distributing the powers among the states or by spreading the powers equally into the state governments, the ones who frame the constitution primarily build a 'stronger and a functional country government' while preserving the 'existing states' and the concept of 'local state government'.