Compared with the feudal system under the rule of the czars, the communist government

established a command economy  

Explanation:

The feudal economy was mainly based on agriculture. There were coins in the Middle Ages, but they were little used. Product and commodity exchanges were common in feudal economy. The fief was the economic base of that period, for who had the land had more power.

This type of economy was maintained in the government of the Czars in Russia. However, when a communist government was established in that country, the economy adopted was a command economy.

Command economy is an economic model in which the state controls the economy in the country, in this case the vast majority of existing enterprises are state owned, ie state properties.

the right answer is d

the correct statement is letter a.   according to the mandate of heaven, kings were considered godlike beings, so they could do as they .

the mandate of heaven is a chinese political and religious ideology used since ancient times to justify the rule of the king or emperor of china, that has been in place since the zhou until the dynasty system ended. it has been created to justify the zhou as the main power of the region. in order to keep harmony, the ruler has to make what he wants and what people want. he had to make good choices to satisfy the people and then they will be happy and keep you in power.