Answer:
c. governmental power became centralized under shogun, while the emperor ruled in name only.
Step-by-step explanation:
The essence of the "shogunate system" was that governmental power became centralized under shogun, while the emperor ruled in name only.
The Shogunate system was founded by Minamoto no Yoritomo under the Kamakura Shogunate.
Legally, the shogun is subjected to the emperor, but during the era Japan evolved into a feudal society, control of the military was seen and equivalent to control of the country.