Select the most appropriate option to fill in blank number 3.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. solution.
"Solution" refers to resolving a problem, which fits perfectly with the context of addressing the serious issue of industrial disorganisation due to war. It implies a comprehensive way to deal with the problem.
Solution is best suitable in the context.
Other options do not convey the correct sense of the context.