How did railroads affect American's economy in the 1800s

The railroad allowed raw materials to reach factories in the East and consumer goods to reach all parts of the United States in a timely manner. Railroads helped to create the cattle industry on the Plains immediately after the Civil War. Cattle brought low prices in Texas, but demand was higher on the East coast.

Explanation:

answer; ok in rural area most people depend on private transportation(cars),pick up truck,donkey and buggy: ),and urban people can walk or ride public transportation,bus,train cab,uber.

answer; (d) all of the above; 100%