The imperial capital at heian, also known as was once the japanese center of art, literature, and learning.

The imperial Capital of Heian is Kyōto

Explanation:

Heian period, in Japanese history, the period between 794 and 1185, named for the location of the imperial capital, which was moved from Nara to Heian-kyō (Kyōto) in 794.

pan-africanism or pan-africanism is a political, philosophical, cultural and social movement that promotes african twinning, the defense of the rights of african people and the unity of africa under a single sovereign state, for all africans, both africa as of the african diasporas.

assessment is the missing word