Cross-sect alliance - Cross-sect alliance

...After this, he went to Kanto every year and continued to fight with the Later Hojo and Takeda clans, but he was unable to demonstrate the authority of the Kanto Kanrei and ended up allowing the Later Hojo clan to expand its power. In 68 (Eiroku 11), Honjo Shigenaga of Murakami, Echigo, was invited by Takeda Shingen to take refuge in his castle, and surrendered the following year. During this time, however, at the request of Hojo Ujiyasu, who had been attacked by Shingen, he formed an alliance with the Echigo-Shugo clan in 70. It was from this time that he began to call himself Kenshin. ...

*Some of the terminology used in reference to the "Chinese-Japanese Alliance" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…これ以後は連年関東に出て後北条，武田両氏とせめぎあいを続けるが，関東管領の威令を示しえないまま後北条氏勢力の拡大を許す結果となった。68年(永禄11)越後村上の本庄繁長が武田信玄に誘われて籠城，翌年下すが，この間に信玄の攻撃をうけた北条氏康の要請をいれて，70年には越相同盟を結んだ。このころから謙信を称するようになる。…

※「越相同盟」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報