How did the completion of the transcontinental railroad affect companies that made products?

The railroad made transporting goods across the country faster, easier, and more affordable. They could ship more products on the railway system than they could by wagons. Companies began to grow more quickly after the completion of the railway.

Social darwinism refers to the the theory that people who succeed in our economic system will one day out compete those who fail. one day the rich will out succeed the poor so we'll that there will eventually be no more poor