Complex sentence: The initial plan was to drop the notes over Britain to bring about a collapse of the economy, but the operation was closed in early 1942 after its head, Alfred Naujocks, fell out of favour with his superior officer, Reinhard Heydrich.
Split into simpler sentences: The initial plan was to drop the notes over Britain to bring about a collapse of the British economy. The unit closed in 1942 after its head, Alfred Naujocks, fell out of favour with his superior officer, Reinhard Heydrich.