Answer:
The Civil War confirmed the single political entity of the United States, led to freedom for more than four million enslaved Americans, established a more powerful and centralized federal government, and laid the foundation for America's emergence as a world power in the 20th century.
Explanation:
Answer: The British historian Paul Johnson, in his remarkable book Modern Times, attributed the twentieth century's huge death toll to the immense growth of organized state power, the decline of traditional religion, and the rise of totalitarian ideologies and gangster-statesmen.
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