Question

1. who helped popularize social darwinism in the united states?

herbert spencer
myron reed
charles darwin
walter rauschenbusch

Explanation:

Social Darwinism applies Darwin's evolutionary ideas to society. Herbert Spencer popularized it in the US, linking survival of the fittest to social and economic systems. Myron Reed, Charles Darwin (who developed evolution, not Social Darwinism popularization), and Walter Rauschenbusch (social gospel) are not associated with this popularization.

Answer:

A. Herbert Spencer