D i hope im hope im right
World War ll i believe because it hid the soldiers
Answer:
Architecture
Explanation:
The Roman empire was one of the greatest empires in the world that ruled many regions and spread its dominance. The Roman empire in its period spread across the Atlantic Ocean and Mediterranean. The Romans exhibited many new methods for buildings and construction, including roads, arches, concrete and aqueducts for miles before they reached the point and delivered fresh water.
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.
Learn more about Harpers Ferry here:
brainly.com/question/10301178
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