The development of feudalism occurred in response to which event?

The development of feudalism occurred in response to the fall of the Roman Empire in the 5th century, the rise of Christianity in Europe and the rise of the Barbarian Kingdoms. The Roman Empire was discharged by the Visigoths that led to the arrival of the feudalism in the society. 

not to sure thinking it would be a hope this

the fundamental orders of connecticut it would be the letter b