Complex sentence: In 1955, he left the CCF over the issue of corporate taxation and sat out his term as an Independent MP before running unsuccessfully for the Liberal Party of Canada in the 1957 federal election.
Split into simpler sentences: In 1955, he left the CCF over the issue of corporate taxation. He sat out his term as an Independent MP before running unsuccessfully for the Liberal Party of Canada in the 1957 federal election.