Answer:
1. Slaves were able to complete any task that required manual labor
2. Enslaving people was extremely profitable as you don't pay slaves a salary.
3. With the increase and advancement in technology, the need for slaves went up, as manual labor also increased.
Explanation:
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The correct answer is letter A.
Explanation: In the nineteenth and in the twentieth century most of people classified as middles class were living in tenement houses with bad conditions, but it was where they could live.
Answer:
We already know that civilization started at The Fertile Crescent, but mostly we dont know what areas had civilizations or not. Almost every area had no civilizations but then they started to evolve like hominids for example.
Explanation: