Answer:
B. He was found not guilty and was not sent to prison.
It helped power the trains and steam boats.
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.
