Nuclear proliferation is the increase in the number of nuclear weapons a country has, or the spread of nuclear capabilities to non-nuclear countries.
There was the fear that nuclear weaponry could fall into the hands of more dangerous governments. The more countries who had nuclear capability, the less the superpowers could control events. There was also the fear of nuclear accidents. A number of political agreements were made during the détente period.
Banned the testing of nuclear weapons on the ground and in the atmosphere.
Space was to remain weapon-free and could be explored freely by all countries.
The only five nuclear countries were to be the USA, USSR, UK, China and France.
Banned the placement of nuclear weapons anywhere on the seabed.
Both superpowers put limits on the number of nuclear missiles that could be produced.
The three ‘baskets’ of agreements were:
There was agreement over limiting the production of long-range missiles.