An economy like the one America has... sorry im not sure what its called.. but basically, if there are less supplies, and more people wants it.. thats how supply and demand starts.
The process of supply and demand is essential to the economic system of laissez-faire which is founded upon an absence of regulations or interference of anything outside of the natural economic interaction. Communism is incorrect because the economic markets are controlled by the government, and socialism is also incorrect because its economic markets are determined by participation, not value.
The proclamation declared martial law and promised freedom for slaves of American revolutionaries who left their owners and joined the royal forces, becoming Black Loyalists. According to historians, the proclamation was designed for practical and militaristic reasons rather than moral reasons or humanitarianism.