Social Darwinism - A Historian's Perspective
The link address is: https://www.khanacademy.org/humanities/ap-us-history/period-6/apush-gilded-age/v/darwinism-vs-social-darwinism-part-2
The link address is: https://www.khanacademy.org/humanities/ap-us-history/period-6/apush-gilded-age/v/darwinism-vs-social-darwinism-part-2