Which statement best describes why the ruling of Gibbons v. Ogden is significant?

A. It clarified the meaning of the commerce clause to say that state governments have the right to regulate commerce between them.

B. It clarified the meaning of the supremacy clause to say that state governments can regulate commerce in territories they border.

C. It clarified the meaning of the commerce clause to say that national government has the right to regulate interstate commerce.

D. It clarified the meaning of the supremacy clause to say that national government may not interfere with interstate commerce.