sentences:  True, a few states had such a requirement on their own, but those states had never rested this requirement on a federal constitutional guarantee.Nor does the fact that the increased punishment available is significant by itself trigger a constitutional requirement that it be proved beyond a reasonable doubt.Reading the text of subsections (a) and (b), Justice Scalia concluded that the recidivism provisions of subsections (b)(1) and (2) were additional elements of separate crimes.