Measures for limiting the use of WMD must address (1) existing WMD capabilities;
(2) future increases in such capabilities; and (3) the spread (proliferation)
of WMD to additional countries and terrorist organizations. The basic approaches
for limiting the use of WMD are:
adopting prohibitions on the possession and use of WMD, including measures to limit or eliminate existing
WMD stockpiles
through treaties;