In the late Sengoku period (of Japan), the Utsunomiya clan became daimyo (Japanese feudal lord) and confronted the Gohojo clan emerging in the Kanto region as the shogun family, the Ashikaga clan was weakened.
戦国時代(日本)末期には戦国大名となり将軍家足利氏の弱体化に伴って関東に台頭した後北条氏と対峙した。