Abolishment would be counter-productive and only lead to greater barbarity in warfare  Nuclear weapons have a restraining effect on warfare, preventing escalation through fear of their destruction. To abolish them is therefore to act counter-productively: ‘it will not advance substantive progress on non-proliferation; and it risks compromising the value that nuclear weapons continue to contribute, through deterrence, to U.S. security and international stability’ (Robinson, 2001) Nuclear weapons are a necessary evil; the doctrine of mutually assured destruction prevented the outbreak of nuclear war during the Cold War because in the neither side was willing to risk the response and neither side could risk even a small scale war due to the threat of escalation. Nuclear weapons therefore act as a check upon the very institution of war between those states that have nuclear weapons, restraining aggressors through fear of escalation and certain destruction.