"A Wealth of Nations" is a book written by Adam Smith in 1776 that outlines the principles of free market economics and capitalism.
Division of Labor: The assignment of different parts of a manufacturing process or task to different people in order to improve efficiency.
Supply and Demand: An economic model which states that the price at which an item trades depends on both the supply (availability) and demand (desire) for it.
Free Trade: International trade left to its natural course without tariffs, quotas, or other restrictions.