Many historians believe that the Roman Empire grew too large in too short a time. When faced with trying to rule the entire Mediterranean world, the empire eventually fell. The main reason for this was because the Roman

The reason behind this argument is that they provided too much flexibility to the different rulers trying to win their loyalty that when the corruption of Rome weakened it, they didn't hesitate to fight for liberty. The political work required to rule the whole Mediterranean world was too much for Rome

Explanation:

First o all we need to understand something. Rome was an incredibly extensive empire that without proper communication, and infrastructure to bond it, resulted in a very bad effort from the Romans. The task was too big for their political structure, and the flexibility they offered to the conquered rulers allowed them to fight for their liberty when Rome's corruption weakened it.

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.

that would be the steamboat because none of the other things are forms of transportation