Answer:
B). It would help the writer form a central claim.
Step-by-step explanation:
The given paragraph would assist in 'formation of the central claim' to the writer looking for evidence for drafting an argumentative essay on the Industrial Revolution. It gives the description of both the positive, as well as, the negative aspects of the topic i.e. Industrial Revolution from which the writer can choose his stand and prepare his argument and evidence to support and substantiate his claim accordingly. Thus, option B is the correct answer.