If by states you mean countries:
If by states you mean US states, this is harder to answer as exact locations of many weapons is classified. However all states with ICBM bases have them, all states with nuclear missile submarine bases have them, all states with strategic bomber airbases have them, Texas has them as they are remanufactured just east of Amarillo, etc.
China is not a nuclear free zone. They have many nuclear weapons. Though China has a nuclear policy which states that they are not allowed to produce,fire, or give away these weapons.
Both Russia and the United States possess strong nuclear arsenals with similar destructive capabilities. The exact strength of each country's nuclear weapons is classified, but they both have the ability to cause immense damage and are considered two of the most powerful nuclear states in the world.
The countries known to have nuclear weapons are: United States Russia United Kingdom France China India Pakistan North Korea Israel Germany, Italy, Japan and South Africa have the capability of building nuclear weapons but have not done so. Canada once had nuclear weapons, but has dismantled its weapons and permanetly deacitvated its nuclear weapons program. So far it is the only country to do so.
"Nukes" is a colloquial term for nuclear weapons, which are explosive devices that derive their destructive power from nuclear reactions. These weapons can cause devastating damage and are considered weapons of mass destruction.
Nuclear surety is the responsibility of the US Nuclear Weapons Program to ensure all associated material, personnel, and procedures related to nuclear weapons are safe, secure, and under positive control.
All of them have nuclear weapons cause they are the United States.
The United States does not give or sell nuclear weapons to any country. The United States has stationed nuclear weapons on the territory of many countries, but always retained full control of them.
China is not a nuclear free zone. They have many nuclear weapons. Though China has a nuclear policy which states that they are not allowed to produce,fire, or give away these weapons.
The United States of America was the country that developed the first nuclear weapons.
The first nuclear weapons were developed in the united States under the Manhattan Proyect which made the first nuclear bombs.
Reduce Nuclear Weapons, people! I HAVE FURY!
Many countries have nuclear weapons today including the United States. China, North Korea, South Korea, and Japan also have nuclear weapons.
In the most basic sense, proliferation of nuclear weapons is the spread of nuclear weapons and weapons usable technology in the world. In a much broader sense, it refers to the acquiring of capability to produce nuclear weapons, or weapons-grade nuclear material (high-enriched uranium, plutonium) by states previously not possessing them.
From 1945 until the late 1970s or early 1980s the United States always had the most nuclear weapons. After then the USSR/Russia has had the most nuclear weapons.
The United States of America
According to my research the most weapons country is the United States currently owns 9,600 nuclear weapons, while Russia currently owns 16,800. But Russia actually always had more nuclear weapons than the United States.
The United States used the atomic bomb offensively during WWII. That is pretty close to nuclear weapons.