From the First Nuclear Explosion up to the Signing of Non-Proliferation Treaty of Nuclear Weapons

Since the beginning of this nuclear era, one part of the international pacific community continually had tried, to reduce the risks posed by the existence of nuclear weapons proliferation. The environmental risks from explosions of nuclear tests in the atmosphere had increased the danger as a result of the competition of nuclear weapons triggered various initiatives from the very early design for international legal norms aiming to limit nuclear testing. This work paper tries to, describe, discuss and analyze historical data on political spirit before signing the NPT. More over this article considers and trying to give interpretations to the official political statements and declarations on unpredictable issue for the future, which it might have serious consequences for international security. The findings in this article are that competition of nations in having nukes and increasing their numbers and capabilities are one the main part in chain reaction factor that can bring proliferation in high alert and humankind in greater risk situation.