The effect of john brown leading attacks on harpers ferry is federal troops begin capturing southern territories.
<h3>Who was Harpers Ferry?</h3>
John Brown attacked harpers ferry hoping to capture the arsenal and start a slave rebellion in the south.
Federal troops begin capturing southern territories was the major effect of john brown leading attacks on harpers ferry.
Therefore, D is the correct option.
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<span>Transcript of Positive and Negative Effects of the Industrial Revolution.
Working in a factory was not something people wanted to do. Pollution,
unsafe, dirty, long working hours, never any breaks. All of the coal
that was used for power became smoke after use.</span>
