I believe the answer is: A.Smith knew that the invisible hand of the market was not concerned with the health of the laborer.
The power of invisible hand in the market only care about the power of supply and demand which would determine who will obtain the most wealth. Even if the process could disregard the wellness of many people, as long as the demand is met, consumers wouldn't put too much thought on the laborers.
The answer is B, because the Song would make all government candidates undergo the civil service exam. Only if they passed would they be able to become part of the bureaucracy.
Answer:
From what I could find, there are seven
Explanation:
Antigua and Barbuda (counted as one)
Dominica
Grenada
Montserrat
Saint Kitts and Nevis (counted as one)
Saint Lucia
Saint Vincent and the Grenadines (counted as one)
Marco Polo was deeply impressed by the East. As a european from the XIII century, he wasn't used to the sight of so much trade, luxury and comfort. He travelled through the whole Silk Road, but it was China, and especially its capital Beijing, what made the biggest impression on him. On this excerpt he describes the city as A large city with vibrant foreign trade.