Even economists who advocate small government agree that
A. national defense is a common resource and that the government should provide it.
B. national defense is a public good and that the government should provide it.
C. national defense is a public good, but many of them believe that it should be provided by private firms rather than by the government.
D. national defense is a common resource, but many of them believe that it should be provided by private firms rather than by the government.