escalation|escalations

工资增长引发了生活成本的快速上涨。

The wage increase caused an ___escalation in the cost of living.

总统批准了在边境地区的军事升级行动。

The president authorized military ___escalations along the border region.

贸易争端的迅速升级导致了双方关系的紧张。

The rapid ___escalation of the trade dispute caused tension between both sides.