Answer:
Upton Beall Sinclair Jr.
Explanation:
Upton Beall Sinclair Jr. was widely known for his writing proficiency specifically in the areas of social tracts and politics protest and was prominent as a result of one his book titled: The Jungle, which was published in the year 1906. In the book, Upton Sinclair declared amongst other things that " It must be realized in Packingtown that workers are human beings”
Hence, it was Upton Beall Sinclair Jr. that said "It must be realized in Packingtown that workers are human beings”
I believe a musician would best categorize this as, A. Blues.
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Voters in a territory should decide whether or not to allow slavery in a territory
Germany's alliance had the most troops
Answer:
More people moved to urban areas.
Explanation: