Answer: Upton Sinclair's 'The Jungle' uses descriptive language to incorporate a variety of tones for the work. In this lesson, you'll learn more about how Sinclair conveys his attitudes through the tone of his writing
Explanation:
During the slave trade europeans saw african slaves as cargo traded for profit, not people. In result slaves were stuffed and piled in uninhabitable spaces below deck where they deficated and slept in the same place. Food and water were scarce, death and disease were high.
The answer is in, choice 1. It is the only preposition that makes sense in that sentence