Germanic tribes, Visigoths
Government Debt.
Corruption.
Extreme weather.
Lack of control in local food.
Lack of access to education.
Mental illness - lack of proper psychiatric care.
World hunger.
Epidemic diseases.
Manorialism was "<span>a structure that defined a peasant’s relationship to the lord of the manor," since this was at the heard of the feudal system, which provided "protection" to the peasants and labor to the lords. </span>