The texas constitution has an amendment that allows a railroad commission to regulate railroads and their shipping rates in texas period the u s constitution does not mention a railroad commission period the difference between state and national documents is an example of which constitutional principle

The difference between state and national documents in terms of regulating railroads is an example of federalism, which is the constitutional principle that divides powers between the national government and state governments. This allows states to have certain powers and responsibilities, such as regulating their own railroads, while the federal government also has its own set of powers.