<prompt> Translate the following text to SwahiliNot only did this highly progressive leader produce Japans first written constitution and legal code, thus laying the foundations of an organized state, he is also credited with having introduced the concept of wa harmony as the fundamental value shaping the Japanese character.  <response>: Hakuna tu kiongozi huyu wa maendeleo sana aliyetengeneza katiba ya kwanza ya Japani iliyoandikwa na kanuni za kisheria, hivyo kuweka misingi ya serikali iliyoandaliwa, pia anasifiwa kwa kuanzisha dhana ya wa upatanisho kama thamani ya msingi inayounda tabia ya Kijapani. 