Answer:
before neolithic revolution people were nomadic
people hunted animals
food shortage
people also lived in a small bands
The correct answer is Upton Sinclair.
This American author became a national name with his book "The Jungle." This fiction novel was based on the real working experiences of individuals within the meat packing industry during the early 20th century. The disgusting habits/practices of this industry and the terrible working conditions described gained national attention, eventually leading to president Teddy Roosevelt passing the Meat Inspection Act of 1907.
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It was the second of three stages of the so-called triangular trade, in which arms, textiles, and wine were shipped from Europe to Africa, enslaved people from Africa to the Americas, and sugar and coffee from the Americas to Europe.