合従 がっしょう連衡 れんこう
gasshōrenkō

Noun

1. alliance (of the Six Kingdoms against the Qin dynasty, and of individual Kingdoms with the Qin dynasty)

Yojijukugo
Related to 合従連衡
Noun

2. (tactic of) making and breaking alliances (to benefit oneself as the occasion demands); resorting to alliances as a diplomatic expedient

Yojijukugo