The imperial court appoints government officials based on the sons from noble families and upon all of these the Fujiwara family stood out.
Step-by-step explanation:
The imperial court is the noble court of an empire in Japan. The imperial court system appoints government officials from noble families. This led to rise of Fujiwara family. Fujiwara lost its control over mainstream politics due to their family tradition.
The members of imperial court perform ceremonial and social duties. The “Japanese monarchy” is known to be the oldest hereditary monarchy in the world.
Fujiwara, Tachibana, Taira and Minamoto are the four great families who dominated Japanese government during the Heian period.