The answer to the question is <span>Full faith and credit clause
This clause of the constitution requires that all the </span>states within the United States should respect the "public acts, records, and judicial proceedings of every other state.", and for this reason <span>Arizona would have to recognize a drivers licence issued by the state of California.</span>
The message that Sinclair communicates is that these conditions are inhumane and harmful and their need to change immediately. Sinclair's message on the topic highlights the need for worker's in the mean industry to work in good conditions.