Answer:
Upton Sinclair said that it was C. Dirty and Unsafe
Explanation:
Based on the reading from Upton Sinclair, the conditions in meatpacking were dirty and unsafe (Option C).
Upton B. Sinclair Jr. was a well-recognized USA writer, who issued several political causes.
In conclusion, based on the reading from Upton Sinclair, the conditions in meatpacking were dirty and unsafe (Option C).
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