不均衡【ふきんこう】
imbalance, lack of balance, lopsidedness, disproportion, inequality, disparity
平衡【へいこう】
even scale, equilibrium, balance, equalization, equalisation
拡大均衡【かくだいきんこう】
an expanded or expanding equilibrium
合従連衡【がっしょうれんこう】
alliance (of the Six Kingdoms against the Qin dynasty, and of individual Kingdoms with the Qin dynasty), (tactic of) making and breaking alliances (to benefit oneself as the occasion demands), resorting to alliances as a diplomatic expedient