State-sponsored terrorism is a term used to describe terrorism

Terrorism

Terrorism is the systematic use of terror, especially as a means of coercion. In the international community, however, terrorism has no universally agreed, legally binding, criminal law definition...

 sponsored by nation-states. As with terrorism, the precise definition, and the identification of particular examples, are subjects of heated political dispute. In general state-sponsored terrorism is associated with support of paramilitary

Paramilitary

A paramilitary is a force whose function and organization are similar to those of a professional military, but which is not considered part of a state's formal armed forces....

 organizations.
Afghanistan KHAD

KHAD

Khadamat-e Etela'at-e Dawlati translates directly to English as: "Government Information Agency". However, this phrase is more correctly translated as Government Intelligence Service...

 is one of two secret service agencies believed to have possibly conducted terrorist bombing in Pakistan North-west during the early 1980s; then by late 1980s U.S state department blamed WAD (a KGB

KGB

The KGB was the commonly used acronym for the . It was the national security agency of the Soviet Union from 1954 until 1991, and was the premier internal security, intelligence, and secret police organization during that time.The State Security Agency of the Republic of Belarus currently uses the...

 created Afghan secret intelligence agency) for terrorist bombing Pakistani cities.