What was social Darwinism

Social Darwinism is any of various theories of society which emerged in the United Kingdom, North America, and Western Europe in the 1870s, claiming to apply biological concepts of natural selection and survival of the fittest to sociology and politics.

Explanation: Social Darwinists believe in “survival of the fittest”—the idea that certain people become powerful in society because they are innately better. Social Darwinism has been used to justify imperialism, racism, eugenics and social inequality at various times over the past century and a half

D. The application of Darwin’s theories to human societies

answer: the time zones used to be whatever the local authority wanted them to be. one town might have 6am whenever the sun came up and another town had 6am 10 minutes later.  

the trains had a hard time when their orders said to be at a certain point at 6am.  

6am, but who's 6am.  

the railroads got together and set the time zones more or less along the longitude lines across the country.

explanation: