Русско-англо-русский юридический словарь

An act of aggression is defined as the use of armed force by one State against another State without the justification of self-defense or authorization by the Security Council. (iccnow.org)

The Federal Government has decided to reconsider its diplomatic and other relations with the rest of countries which have directly or indirectly taken part in the armed aggression on Yugoslavia. (BBC News)

Its new nuclear deterrent policy reaffirmed that the country could use nukes to fend off a nuclear attack or an aggression involving conventional weapons which “threatens the very existence of the state.” (The Irish Sun)

Ok, you guys stop all activities of aggression and we might release the hostages. After you stop, we will continue to fire missiles into your cities though, do we have a deal? (Calgary Puck Forum)