Answer: Ambiguity aversion
Explanation:
In economics and decision theory in general, ambiguity aversion refers to the preference for known risks over unknown risks. This means that in a scenario in which there´s an option in which probable outcomes are unknown, people would rather choose an option in which probable outcomes are known.
No to be confused with risk aversion, which only applies to situations where each probable outcome can be established.
The correct answer to this open question is the following.
You did not include the options for this question. However, we can answer the following.
The group that was part of the rising middle class of the Sung period was Shopkeepers.
The gentry and the peasants were the two big divisions of the social classes during the Song period in ancient China.
The Emperor of China was at the very top of the pyramid. He was the most powerful man in the empire and the absolute ruler of the lands.
In the second place were the families who owned big portions of land or better known as the gentry. Then, the peasants. They were the ones that farmed the agriculture fields and worked for the landowners.
The merchants were at the bottom of the pyramid. They were able to earn some good money in trade transactions but an old belief system of the time said that the merchants took advantage of other people's work and made a profit selling the products.
However, these merchants or shopkeepers flourished during the Song period.
It is only vehicles? Or can it be other things too. But trains also require a ticket.
The Egyptians learend from the Romans
economic systems that are the most important to a democracy are characterized by ownership of private property, freedom of enterprise, free prices, private motive and limited interference of government. The market is left to the forces of demand and supply with the government only interfering as a regulator.