Which of the following is true regarding laws passed by the U.S. Congress under the authority of the commerce clause?
As long as the law affects commerce among the states, or interstate commerce, in some way, the regulation is generally constitutional.
The law will only be constitutional if it affects taxation in some way.
As long as the law involves in some way a right guaranteed by the Bill of Rights, it is constitutional. As long as the law is approved by any state affected, it is constitutional.
As long as the law is not objected to by any state affected within six months of its passage, it is constitutional