Doubtless there was some method of cultivation: starchy yams and taro, possibly originating from your continent, had been lifted, the starch from them formed right into a variety of bread. This incipient agriculture appears related to a cultural florescence in mid-Jōmon situations that lasted about 1,000 a long time. I https://archerczskc.bloguerosa.com/28247858/new-step-by-step-map-for-shokupan-bread