Common examples of secondary sources include academic books, journal articles, reviews, essays, and textbooks
Adam Smith is considered to be the key figure of the Scottish Enlightenment, economist, philosopher and author, the pioneer of political econony, laid the foundations of the free market economic theory, also known as the "Father of Economy". One of his most famous works is "Wealth of Nations". The key ideas of this work are the economic free market program, where everyone has the opportunity based on the division of labor, the achievement of wealth and prosperity growth. Also, the key ideas were to minimize the role of government intervention and taxation on free markets, as well as the idea of an invisible hand that leads supply and demand. It can be said that Smith laid the foundations of a modern economy.
The answer is: C.
To "scour" means to clear an area or region of enemies or outlaws (i.e. "scour the area for our enemies and make sure they are eliminated). To "search" is to examine an area or region with the intention of locating something or someone. "Scouring" involves locating and eliminating an enemy; to search is to simply locate someone or something.
