Complex sentence: This sets the stage for the international intrigue that follows, and in the end Ludlum left the reader wondering if it was he himself, not Peter Chancellor, the protagonist of his story, who knew of the conspiracy.
Split into simpler sentences: This sets the stage for the international intrigue that follows. In the end Ludlum left the reader wondering if it was he himself, not Peter Chancellor, the protagonist of his story, who knew of the conspiracy.