Up for sale is this vintage black and white 35 mm film strip roll from the United States War Department titled:  A Graphic History of the War. Each slide in the strip shows in graphic form elements of WWII with dates from Sept. 1939 to March 1942. Includes the key campaigns by date, location and the various fighting forces. It states that it was prepared for the War Dept Orientation Course. 

There are 96 images or slides in seven parts:
Part 1 Introduction and Campaign in Poland
Part 2 Invasion of Norway and Campaign in France and Belgium
Part 3 Battle of Britain and the Battle in the Atlantic
Part 4 Libya, Africa and the Middle East
Part 5 Battle of Russia
Part 6 Japan, China and the Pacific Theater
Part 7 The United Nations vs the Axis

The slides all look clear.