Answer:
The steel highway improved the lives of millions of city dwellers. By the 1890s, the United States was becoming an urban nation, and railroads supplied cities and towns with food, fuel, building materials, and access to markets. The simple presence of railroads could bring a city economic prosperity.
Explanation:
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C the alps provided protection
April 6 1917 is when the us joined its allies in the world war. We helped lead our allies mainly Britain and France to victory
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Answer:
I think it Dravidians
Explanation: because it sound older than the other
Answer:
D.An ever-changing system of rules and laws
