Which countries are considered Nuclear Weapons States?

The correct answer identifies the five countries recognized as Nuclear Weapons States under the Treaty on the Non-Proliferation of Nuclear Weapons (NPT). These states—United States, United Kingdom, France, Russia, and China—are acknowledged for having developed and tested nuclear weapons before the NPT was opened for signature in 1968.

This recognition is significant because it defines the framework of international nuclear governance and non-proliferation efforts, wherein these countries have commitments related to disarmament and in preventing the spread of nuclear weapons to other states. Their status as Nuclear Weapons States gives them unique roles and responsibilities in global security dynamics, particularly regarding nuclear deterrence and international stability.

In contrast, the other choices present countries that do not hold this recognized status or have different relationships with nuclear weapons. For example, while India, Pakistan, Israel, and North Korea have developed nuclear capabilities, they are not recognized as Nuclear Weapons States under the NPT framework. South Korea, Iran, Japan, and Brazil, on the other hand, are not nuclear weapon states and have varying commitments to the non-proliferation treaty and nuclear governance. Lastly, Germany, Italy, Spain, and Australia are all non-nuclear weapon states as well, and they