The answer is b, because they worked for people so the materials they used were already bought, it was a private job.
Both Adam Smith and John Locke were liberals. That means they both believed in the importance of the freedom of individuals and that this should be achieved by the lowest possible interference of the State on private affairs.
Liberalism is the idea that a healthy society is that in which freedom is the most important value. In the economy that means the State doesn't intervene in the market, and in politics that means the State must not intervene in the lives of the individuals.
Answer: C: Cardinal directions
Explanation: