Hi there!
The innovation that had the greatest impact on westward migration was d. transcontinental railroad.
<span>B. McCulloch v. Maryland
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The 14th Amendment<span> to the Constitution was ratified on July 9, 1868, and granted citizenship to “all persons born or naturalized in the United States,” which included former slaves recently freed.</span>
Answer:
the answer to your question is letter A because labor unions were illegal in all southern and eastern European countries.
Explanation:
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