LEAP 2025 Social Studies Grade 8 Practice Questions - LEAP 2025 Social Studies - Grade 8 Exam

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Which major technological development during the late nineteenth century linked distant regional economies into a single national market in the United States?

The invention of the commercial cotton gin The completion of transcontinental railroad networks The construction of the Interstate Highway System The widespread adoption of telegraph cables across the Atlantic

Correct Answer:

The completion of transcontinental railroad networks

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