identify main ideas how did railroad companies change other large businesses?

Brief Explanations:

Railroad companies enabled faster and more efficient transportation of goods, which allowed large businesses to expand their markets, access raw - materials more easily, and streamline supply - chains. They also influenced business organization and financing models as large amounts of capital were required for railroad construction and operation, which in turn affected how other large businesses raised funds and structured their operations.

Answer:

Railroad companies allowed large businesses to expand markets, access raw materials more easily, streamline supply - chains, and influenced business organization and financing models.