OIL petroleum and other gas
The colonists protested the Stamp Act because they were being taxed without representation in Parliament. They had no say in the taxes that they had to pay, which lead to much anger and conflict among the colonies. They didn’t understand why they still had to pay taxes if they were no longer living in Britain or being represented as part of Britain’s government.
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As famous as Marco Polo is, he didn't invent anything. However, other inventions such as the compass and the boat influenced Polo. Marco Polo used the compass on all of his travels but especially to reach Asia.
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