Complex sentence: It benefited from the relative weakness of the SPC in Winnipeg following the provincial election of 1910; the SPC had contributed to reformist Fred Dixon's defeat, and was shunned by many in the city's trade union movement as such.
Split into simpler sentences: It benefited from the relative weakness of the SPC in Winnipeg following the provincial election of 1910. The SPC had contributed to reformist Fred Dixon's defeat in this election, and was shunned by many in the city's trade union movement as such.