From 1300s to 1500s, which is about two centuries, Japan tore itself apart in the feudal wars and all the civil conflicts. Due to Minamoto's victory, Japan transitioned to medieval feudalism and power rested upon two shogun regimes, the Kamakur and Ashikaga.
John Calvin was a reformed based in Switzerland that believed in Martin Luther's ideas about faith and salvation. He was both a pastor and a theologian.
Answer:
The law is applied by courts to specific issues brought before them. They settle disagreements between individuals, businesses, and government agencies. They guard against abuses committed by all departments of government. They defend minorities of all kinds against the majority, as well as the rights of those who are unable to protect themselves.