Answer: The Royal Proclamation of 1763 was issued by King George III on 7 October 1763. It followed the Treaty of Paris, which formally ended the Seven Years' War and transferred French territory in North America to Great Britain.
It was the first measure to affect all thirteen colonies. The edict forbade private citizens and colonial governments alike from buying land or making any agreements with natives; the empire would conduct all official relations. Only licensed traders would be allowed to travel west or deal with Indians