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.
The role of slavery in bringing on the Civil War has been hotly debated for ... African slavery was central to the development of British North America. Although slavery ... to rely on the concept of states' sovereignty as a means of self-protection.
