Answer:
C) Transporting goods became less expensive.
Explanation:
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.
Teddy Roosevelt was also known as the trust buster. He helped to stop the monopolies and the robber barons.
When he saw people falling, it made him think about the forces of nature and it lead him to his studies.
