Nevada passed a law banning all commercial billboards along state highways to improve the appearance of the environment. If this law were to be challenged, which of the following would a court examine to determine if the law is constitutional?a. It would have to be established that the law furthers an interest of the state of Nevada to create a more aesthetically pleasing environment. b. It would have to be shown that the law directly and materially advances the state's goal of a more aesthetically pleasing environment. c. It would have to be shown that the law reaches no further than necessary to promote thestate goal. d. All of the above.