Complex sentence: The Chamber was vested with legislative power from March 23,1939 to August 2,1943, during the height of Benito Mussolini's National Fascist Party regime, with its representatives dubbed' "national councilors" ("consiglieri nazionali"), rather than deputies.
Split into simpler sentences: The Chamber was vested with legislative power from March 23,1939 to August 2,1943, during the height of the remige of Benito Mussolini's National Fascist Party. Members of the chamber were called' "national councilors" ("consiglieri nazionali") rather than deputies.