Herbert spencer put forth a notion, often referred to as the survival of gods fittest, which said that only the fittest members of society deserve to survive, and that social programs to the poor will ultimately weaken the social order. this doctrine is known as

Social Darwinism is the correct answer.

Explanation:

The concept of social Darwinism emerged in the nineteenth and twentieth centuries. According to the theory, humans also follow the same laws of natural selection and compete for existence just like plants and animals. Social Darwinism was influenced by Charles darwin's theories of natural selection and the process of evolution. According to Social Darwinists, life in society was a struggle for existence and only the fittest ones could survive. The phrase Survival of fittest was coined by Herbert Spencer, Herbert Spencer and Walter Bagehot were social Darwinists from England.

hello!

according to the passage the most suitable options are two. the first one is "by leading the aef to victory in several key battles" like the battle of saint- mihiel and the battle of cantigny mentioned in the passage you copied here. the second one is "by the aef and allied forces defeat germany" since the passage says that his army destroy the german resistance in the meuse- argonne offensive. and also, "by insisting that the aef operate as an independent force".

hope this