Warfare on the North American frontier was brutal: Prisoners were often killed. Civilians were often targeted. Other atrocities were widespread. The population of Native Americans and British settlers had very little in common. In this conflict, this fact showed as ruthlessness and treachery. Contrary to popular belief, the British government did not issue the Royal Proclamation of 1763 in reaction to Pontiac's War. Because of the conflict, the Proclamation's Indian clauses were applied more often, though. This proved unpopular with British colonists, and may have been one of the early contributing factors to the American Revolution.