In two or three sentences, explain how the railroads changed americans way
time.

Explanation:

Railroads altered American society and economic life in fundamental ways. In short, they made transportation of goods and people much cheaper and quicker.Railroads altered American society and economic life in fundamental ways. In short, they made transportation of goods and people much cheaper and quicker.

a.that is my answer.

brainliest .

darwinism is survival of the fittest there for social darwinism is the survival of the wealthiest