Answer is (B) slaves were chained to one another throughout the entire voyage at the ship's bottom
D. William Penn did not permit enslavement of Indians
Answer: The Industrial Revolution began in the 18th century, when agricultural societies became more industrialized and urban. The transcontinental railroad, the cotton gin, electricity and other inventions permanently changed society.
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The answer is A. As those are the two diplomats who signed it. Molotov is the Soviet, and Ribbentrop the German.