Complex sentence: Although the Communist Party had worked hard to warn Canadians about what it considered to be a growing fascist danger, after some debate the Party saw the opening of World War II not as an anti-fascist war but a battle between capitalist nations.
Split into simpler sentences: Although the Communist Party had worked hard to warn Canadians about what it considered to be a growing fascist danger. After some debate the Party saw the opening of World War II not as an anti-fascist war but a battle between capitalist nations.