Complex sentence: His abilities and authoritarian personality made him the hero of a semi-Fascist youth movement (Mauristas); however, when he later headed coalition cabinets with other parties (1918,1919,1921--22), he did nothing to advance non-democratic methods.
Split into simpler sentences: His abilities and authoritarian personality made him the hero of a semi-Fascist youth movement (Mauristas). However, when he later headed coalition cabinets with other parties (1918,1919,1921--22), he did nothing to advance non-democratic methods.