Question 15 (2 points) The first major application of the concept of Interchangeable Parts was in the manufacture of rifles during the industrial revolution True False Question 16 (2 points) In the Wealth of Nations, Adam Smith claims which of the following principles are necessary for presents economic progress in a free market economy: a) Pursuit of self interest b) Division of labor c) Freedom of trade d) a and c e) a and b f) a, b and