The proclamation of 1763 came out of the Treaty of Paris after the Seven Years War, so the British could incorporate lands ceded by the French as a result of their loss. The stationery soldiers were to establish a boundary between the new lands and the lands of the Native American, and to protect the colonizers forms their attacks.
The colonizers were unhappy because they lost the chance to get lands for their own, and because they couldn't commerce freely with the Native. Britain could have left the colonizers to adventure in strange lands and be massacred by the Native Americans, but couldn't afford to lose power over this new lands, over the colonizers and the Native.
John Locke, whose ideas were reflected in the ideas of the founding fathers of the United States, wrote back in 1690 that the natural right of a person is the right for protection of life, freedom and property from threats and encroachment from the outside.
Explanation: I believe the arrival of British traders in India in 1615 significantly impacted the direction of India's history. These bonds with the British would last for hundreds of more years until they gained independence from them in 1947.
