Answer:
To succeed, feudalism required considerable manpower. Vassals and serfs worked the manor year in and year out, bound by law to a lifetime of labor. But when war broke out between England and France in 1337, both nations undertook an unprecedented military buildup. This marked the start of the Hundred Years' War, a series of intermittent conflicts that lasted until 1543. I think that Feudalism was a coercive system that granted few individual liberties. Ancient laws kept peasants tied to the land, making their labor compulsory. Yet over time, concepts of individual rights gradually gained footing, especially in England. The 12th century reforms of Henry II, for instance, expanded the legal rights of a person facing trial.
