Original sentence: The Phoney War, also called the Twilight War by Winston Churchill, der Sitzkrieg in German ("the sitting war": a play on the word Blitzkrieg), the Bore War (a play on the Boer War) and la drôle de guerre ("the funny war") was a phase in early World War II – in the months following the German invasion of Poland in September 1939 and preceding the invasion of Norway in May 1940 – that was marked by a lack of major military operations in Continental Europe
Edited sentence: The Phoney War, also called the Twilight War by Winston Churchill, der Sitzkrieg in German ("the sitting war": a play on the word Blitzkrieg), the Bore War (a play on the Boer War) and la drôle de guerre ("the funny war") was a phase in early World War II – in the months following the German invasion of Poland in September 1939 and preceding the Battle of France in May 1940 – that was marked by a lack of major military operations in Continental Europe