A．Governments tend to abuse their supreme power in times of war.
B．In times of war governments may extend their power across national borders.
C．In times of war governments impose high religious and ethical standards on their people.
D．Governments may sacrifice individuals in the interests of the state in times of war.

A．Because their value has been raised since they were made.
B．Because they contain more silver than they used to.
C．Because they contain less silver than they should do.
D．Because the metal wears down in use.