Officially, the Korean War never technically ended. Although the Korean Armistice Agreement brought an end to the hostilities that killed 2.5 million people on July 27, 1953, that ceasefire never gave way to a peace treaty. At the time, South Korea's president refused to accept the division of Korea!
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Answer: Gerontology is the study of the biological, psychological, and social aspects of aging. Social gerontology is a subfield of gerontology that focuses on the social as opposed to the physical or biological aspects of aging.