How did the japan imperial court contribute to the development of a national culture during the heian period

The Heian period is noted for its cultural achievements, at least at the imperial court. These include the creation of a Japanese writing (kana) using Chinese characters, mostly phonetically, which permitted the production of the world's first novel, the Tale of Genji by Murasaki Shikibu.

explanation: j

it was the "4. potsdam" conference that demanded the unconditional surrender of japan, since it was clear that the japanese would continue to find until the very last man otherwise.