Work, for example is the subject of an entire branch of psychology. psychological, behavioural, emotional, and social factors.
Nine states need to approve a law before it could be passed. The reason why is because of wanting to protect the individual states power, and the fear of a strong central government.
Answer: Foreshortening
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His goal was to test and gain scientific knowledge, find a route to the rich spice trade of the Indies, and spread the Christian faith.