<span>July 6: Carnegie Mellon Researchers Find Social Security Numbers Can Be Predicted from Publicly Available Information
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<span>Henry Murray was the founder of the motive-based study of personality</span>
Answer:
Farmers produced enough food to allow others to take on other jobs
Explanation:
People natural instincts were to survive. When they didn't have to worry about this because they had an abundance of food they used their skills for other things.