The RT, and then the Spartacist League and international Spartacist tendency (iSt), which in 1989 became the International Communist League (Fourth Internationalist), represented the political continuity of authentic Trotskyism.
Ang RT, na naging Spartasistang Liga at internasyonal na Spartasistang tendensya (iSt), na noong 1989 ay naging Internasyonal na Komunistang Liga (Ika-Apat na Internasyonalista) o ICL, ay kumatawan sa pulitikal na pagpapatuloy ng awtentikong Trotskyismo.