Some wars have been due to the lust of rulers for power and glory, or to revenge to wipe out the humiliation of a former defeat.
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About John Boyd Orr
John Boyd Orr was a 19th-century Scottish teacher. John Boyd Orr, 1st Baron Boyd-Orr,, styled Sir John Boyd Orr from 1935 to 1949, was a Scottish teacher, medical doctor, biologist, nutritional physiologist, politician, businessman and farmer who was awarded the Nobel Peace Prize for his scientific research into nutrition and his work as the first Director-General of the United Nations Food and Agriculture Organization (FAO). Read more on Wikipedia →