Final answer:
Native Americans fought for the British in the American Revolution due to the promise of stopping aggressive settlers through the Proclamation Line Act.
Step-by-step explanation:
The main reason that the majority of Native Americans fought for the British during the American Revolution was because the Proclamation Line Act promised to stop aggressive settlers. The act created a boundary line beyond which colonists were not allowed to settle, aiming to protect Native American territories. This was in contrast to the American colonists who often encroached on Native American lands. By siding with the British, Native Americans hoped to prevent further encroachment and preserve their own territories.
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