Some have used the "national security" argument to suggest that protectionist policies should be used for select industries. Categorize the items below in terms of whether they strengthen or weaken this argument. All items belong in one of the two bins. The ability of lobbyists to make a case that nearly any good is vital to national security. Observing China effectively limiting the world's supply of rare earth metals. The presence of the strategic petroleum reserve, which provides a stockpile of oil that can be used in an emergency.