Explanation:

- The passage discusses the role of a scout during wartime.

- Blank No. 5 is asking what information is gathered about.

- The options are:

- Option 1: enemy

- A scout typically gathers information about the enemy, such as their location and movements.

- This option fits well with the context.

- Correct Answer

- Option 2: soldiers

- Scouts are soldiers themselves and wouldn't gather information about just soldiers.

- Option 3: army

- This could work, but it lacks the specificity that the passage suggests when referring to a direct opposition.

- Option 4: commanders

- Scouts don't normally gather information about commanders as a general mission.