Complex sentence: In 1940, Bracken formed a wartime coalition government which included the Liberal-Progressives, the Cooperative Commonwealth Federation, Social Credit and Conservatives and in 1942, Bracken left provincial politics to take over the leadership of what became the Progressive Conservative Party of Canada.
Split into simpler sentences: In 1940, Bracken formed a wartime coalition government which included the Liberal-Progressives, the Co-operative Commonwealth Federation, Social Credit, and Conservatives. In 1942, Bracken left provincial politics to take over the leadership of what became the Progressive Conservative Party of Canada.