If there is an area of interstate commerce that the federalgovernment has not ch

If there is an area of interstate commerce that the federalgovernment has not chosen to regulate the states can do what?a. Regulate without restriction in that area.b. Regulate in that area so long as the state lawdoes not unduly burden interstate commerce.c. Regulate in that area if it first gets therequisite approval from Congress.d. Not regulate in that area because statescannot pass laws affecting interstate commerce.