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When a hard rubber rod is given a negative charge by rubbing it with wool:
Indian Peoples
Indigenous populations native to the Americas, known for their diverse cultures, languages, and histories.
Naval Blockade
A naval blockade is a military strategy that involves deploying naval vessels to prevent goods, military reinforcements, and other resources from reaching or leaving an enemy's shores.
Southern Ports
Maritime gateways located in the southern region of the United States, crucial for trade and transportation.
Northern Naval
Referring ambiguously, possibly relating to the naval forces or operations based in the northern part of a country or pertaining specifically to the Union Navy during the American Civil War.
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