In Recent Years, the Supreme Court

In recent years, the Supreme Court

A) has given greater weigh to states' rights.
B) struck down the Gun-Free School Zones Act because Congress exceeded its Constitutional authority in relation to the commerce clause.
C) bolstered state government positions in cases where former state employees had filed suit.
D) invalidated provisions of federal law that required state employees to do background checks on prospective handgun purchasers.
E) All of the above are true.