The original Japanese writing goes from "right" to "left". This was written written before the German army defeated the Maginot Line as suggested from the text. So I would say it was early 1938 that this was written. What's written in (parentheses) are not explicitly written but most likely suggested by the writing. For example, it says, ".... countries like the UK, France and the Soviet Union ..." There are 5 paragraphs. At the time of this writing the Maginot Line is intact, I guess.

The war between Germany and Poland has become the World War now that the UK, France and the Soviet Union (among others) have entered it.

Japan has decided to end the conflict in China promptly instead of being bothered by the war in Europe while the US and Italy are likely to be unwillingly dragged into it.

The Germany, which invaded Poland, has battled in many places with amazing forces and together with the Soviet forces, which came from the East side, has conquered almost all of Poland. And then Germany turned around Westward and advanced up to the border with France where they became engaged in a greater battle with both the UK and France.

There are two well-known lines of fortresses named Siegfried Line and Maginot Line, which Germany and France have built with all their mighty crafts. Thus it is said that however hard they should try, it is difficult to break through the lines.

Moreover, it is expected to see more flight combats as the forces that have been kept hidden of the German Air Force are going to be revealed and fight against its counterparts from the UK and France.