One could say that e.g. the Red Army Faction, the Revolutionary Cells and the PFLP were far left terrorist groups motivated by and influenced by moderate to hig

One could say that e.g. the Red Army Faction, the Revolutionary Cells and the PFLP were far left terrorist groups motivated by and influenced by moderate to high degree by Marxism-Leninism. Simplifying that these particular groups were communist terror groups sounds accurate enough, given what they represented and what they believed in. However, there were others, and e.g. 2. June Movement were "anarchist". But if one were to clump together all of the terror groups involved, what should they be labelled? On the political continuum all these were pretty much on the far left. Not only that, the groups clearly sympathized with the USSR and its communist (Marxist-Leninist) ideology, and were supported in some way through the instruments of USSR (like KGB) or by their proxies (like Stasi of East Germany). Calling these groups "communist terror groups" is a rather descriptive term.