Answer:
I think the answer is independent
I hope it will help!!
The use of labor-saving devices in industry and agriculture. So b is the correct answer
<span>This is a true statement, due to the fact that the onset of the industrial revolution led to the increased communication and commerce between European nations, and caused them to focus more on the benefits of their alliances as opposed to the potential conflicts that exist between them.</span>
Increase in school population led to the other three.
