Complex sentence: The Suez Trinagle is a concept, favoured especially by the early 1980's political literature in the Soviet Bloc, which stated that major world events of October 1956 were interconnected as part of a Western-funded conspiracy.
Split into simpler sentences: The Suez Trinagle is a concept mainly favoured in the political literature of the early 1980's Soviet Bloc. The theory held that the major world events of October 1956 were interconnected as a Western-funded conspiracy.