D hope this helps (CAn I Be Brainiest
Because of the economical and military strength of the country.
They followed Jesus
Explanation:
The bible
Serfs, likewise might be farmers but might also be craftsmen. The difference between the two was that the peasant owned his own land, while the serf did not. The serf owed labor duties to his lord, whereas a peasant owed nothing or, more usually, owed some sort of rent.