Complex sentence: He first won a seat in the 1955 Ontario election and was brought into the provincial cabinet in 1958 serving as Minister of Highways under Leslie Frost and became known as the cabinet's troubleshooter.
Split into simpler sentences: He first won a seat in the 1955 provincial election and was brought into the provincial cabinet in 1958. He served as Minister of Highways under Leslie Frost and became known as the cabinet's troubleshooter.