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What caused the massive industrial growth of the united states in the early 1900s

User Itwarilal
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Answer:

a surge of technology innovation and invention

User Mathyn
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Step-by-step explanation:

A surge of technological innovations and inventions, like Thomas Edison's incandescent lightbulb and Alexander Graham Bell's telephone, fueled this economic growth. The economic boom made the rich richer and the poor poorer, widening the already large economic gap between the two groups.

User Madan Ram
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