Final answer:
Elias's paragraph summarizes the benefits of the Industrial Revolution and should be placed in the conclusion of his essay.
Step-by-step explanation:
Elias should place the paragraph he wrote for his argumentative essay in the conclusion. The paragraph summarizes the key points about the positive impacts of the Industrial Revolution, such as the expansion in transportation, increase in jobs, and the spawn of new inventions, which are characteristic elements of a concluding statement. Generally, the conclusion of an essay is where the author restates the main arguments and wraps up the discourse, which aligns with the content and tone of Elias's paragraph.