A passage describes how the U.S. Navy transitioned from coal-powered ships to oil-powered vessels in the early 20th century, citing logistical advantages and increased speed. What is the main idea of this passage?
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A
Oil was cheaper than coal for naval operations
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B
The Navy's shift to oil power was driven by strategic and operational benefits
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C
Coal miners opposed the transition to oil-powered ships
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D
Oil-powered ships were easier to manufacture