Tit-for-tat

There is no such a thing as a tit-for-tat response in a nuclear war.

Source: tatoeba (10156575)

The tit-for-tat consulate closures further escalated the tensions between the two countries over issues from trade and industrial espionage to human rights.

Source: tatoeba (11056795)

Unfortunately, many adults retain a tit-for-tat attitude, but in a more refined way than the simple, childish shove for shove.

Source: wiktionary

Amid fears that the end to more than five and a half years of talks would lead to a new era of tit-for-tat protectionism, negotiations between the United States and the European Union broke down.

Source: wiktionary