1. Bubonic Plague
Strictly speaking, feudalism was a set of legal and military customs, bound and governed by loyalty, in medieval Europe. ... In return, each lord promised to supply the monarch with knights and arms in times of war. ... Feudalism had one enormous effect on medieval society and ultimately the politics of today. ...
During the times of the Roman Empire, farmers had a system that gave them four bushels of grain for every one that they planted. ... If not for the three-field system, the Feudal System would not had advanced the Medieval Period past it's "dark" times. ...
According to medieval law, their lives were virtually dominated by their lord and the church. ... A main feature of feudal kingship was that the King could not be denied funding from his vassals on three accounts: If he was ransomed; if he was going to knight his son (thus needing money to pay for armor, feasting etc.); or when he was marrying off his daughter for the first time (he only received money for the daughter's first marriage because the very short life expectancy during this period often resulted in people being married several times throughout their life). ... This left ...