Answer
Kana syllabary, attributed to the legendary figure Kūkai, revolutionised the Japanese writing system. Prior to its emergence, complex Chinese characters were the primary means of written communication in Japan. The introduction of Kana, a set of phonetic symbols representing Japanese syllables, simplified writing, making it more accessible and fostering widespread literacy. Kana's development marked a pivotal moment in Japanese history, facilitating cultural and intellectual advancements.