Complex sentence: Bujold began his career in politics in the early 1970s as special assistant to the Minister of Financial Institutions in the Quebec cabinet during the Bourassa Liberal government and then became chief of staff to Quebec's Minister of State for Social Affairs.
Split into simpler sentences: Bujold began his career in politics in the early 1970s as special assistant to the Minister of Financial Institutions in the Quebec cabinet during the Bourassa Liberal government. He then became chief of staff to Quebec's Minister of State for Social Affairs.