The answer is 1) the establishment of an army and a navy
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I took the exam
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.
Textiles were not, but iron and steel were. So, I would say False.
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