Answer:
The Asiento, the official contract for trading in slaves in the vast Spanish territories was a major engine of the Atlantic slave trade. When Spain first enslaved Native Americans on Hispaniola, and then replaced them with captive Africans, it established unfree labor as the basis for colonial mass-production.
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The 
would enable a woman to assess a man's level of commitment, detect the existence of prior commitments to other women or children, and simultaneously signal to the man her sexual fidelity.
Answer:
If we do a poor job at the sampling stage of the research process, the integrity of the ... the directors of these programs returned the completed questionnaire. ... researchers were not asking whether a sample represented the population; they ... Before a sample can be chosen randomly, it is necessary to have a complete list Explanation:
Because a science-based understanding of our universe is, more than other (myth-based or religious-base) understandings, capable of delivering (1) measuring instruments by means of which we can test our hypotheses regarding the structure of the universe and (2) a scientific language that is as much as possible free from ambiguity and vagueness.
