Complex sentence: Graffham was envisioned as an extension of existing pressure the Allies were placing on Sweden to end their neutral stance, one example being the requests to end the export of ball bearings (an important component in military hardware) to Germany.
Split into simpler sentences: Graffham was envisioned as an extension of existing pressure the Allies were placing on Sweden to end their neutral stance. For example, requests to end the export of ball bearings (an important component in military hardware) to Germany.