How did the economic system of manorialism most affect nobles?
they supported peasant efforts to become self-sufficient.
they let peasants grind grain for a fee at the manor's mill.
they provided protection and gave peasants land to farm.
they rewarded peasants with money after good harvests.

The economic system of manorialism most affect nobles because they provided protection and peasants land to farm.  

Option C

Explanation:

In the economic system of manorialism Peasants worked the manor (a lord's estate). In this they would receive land, justice, and protection from the lords. Most peasants that worked on the manor were serfs (they were not free). The idea behind manorialism is that peasants and lords were connected by mutual obligations. Peasants had to ask for the lord's permission for almost everything even for marriage and Lords, in turn, had the responsibility of fixing roads and fences and providing protection during war or a raid.

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.