How and why did british colonial policies change after 1763

After the French and Indian War/Seven Years' War ended, the British changed their "hands-off" policy towards the colonists. They issued the Proclamiation of 1763 which stated that the colonists couldn't settle in areas west of the Appalachian Mountains. This was done to ensure that there wouldn't be any future conflicts with the Native Americans who lived in that area.

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a

explanation:

hello your answer is d