there have been three great waves of evolution . 大きな進化の波が起きています
that means that the beach might have great waves 最高の波が来ていたとしても
the kamakura family ' s vassal clans that were appointed as new land stewards in western japan included the mori and kumagaya clans of aki province , the otomo clan of bungo province and the chiba and shibuya clans of satsuma province , and these great waves of migration are called by some the " great barbarian invasion " in the history of japan . 新補地頭として西日本へ移住した御家人には、安芸国の毛利氏・熊谷氏、豊後国の大友氏、薩摩国の千葉氏・渋谷氏などがおり、かなり大規模な移住だったため、「日本史上の民族大移動」と評する論者もいる。
