Complex sentence: At one point he even advocated that government adopt the methods of "communism," and although it is debated what Kang meant by this term, he was probably one of the first advocates of Western communism in China.
Split into simpler sentences: At one point he even advocated that government adopt the methods of "communism," and although it is debated what Kang meant by this term. Surely he was one of the first advocates of Western communism in China.