They did it because they feared that without a specifically enumerated bill of rights that the government could become tyrannical in the same manner in which the British were tyrannical. They believed that rights of people and states should be written and stated officially instead of just being implied since implied things are easy to exploit and maneuver according to your needs.
<span>The Royal Proclamation of 1763 was issued October 7, 1763 by King George III following Great Britain's acquisition of French territory in North America after the end of the French and Indian War/Seven Years' War. The purpose of the proclamation was to organize Britain's vast new North American empire, and to stabilize relations with North American Indians through regulation of trade, settlement, and land purchases on the western frontier. The Proclamation in essence forbade Americans from settling or buying land west of the Appalachians. Colonists were angry because many already had land in that area. Additionally, the Proclamation gave the Crown a monopoly in land bought from Native Americans.</span>
Most of rennaissance work, both visual and literal were inspired by the classics of Greece and Rome. the writers of the period of rebirth studied the classics in depth, and were inspired by such seminal philosophies and works such as Platos republic,Socrates,Aristotle,cicero, amongst others.