Fix grammar errors in this sentence: They believe that the development of nuclear states might create opportunities to produce nuclear weapons from the plutonium reprocessing and uranium enriching.
The United States has not yet developed a nuclear weapon, but the United States is developing a nuclear weapon.
The United States has not yet developed a nuclear weapon.
The United States has not yet developed a nuclear weapon.
The United States has not yet developed a nuclear weapon.
The United States has not yet developed a nuclear weapon.
The United States has not yet developed a nuclear weapon.
The United States has not yet developed a nuclear weapon.
The United States has not yet
The United States has been a major contributor to the development of nuclear weapons.
The United States has been a major contributor to the development of nuclear weapons.
The United States has been a major contributor to the development of nuclear weapons.
The United States has been a major contributor to the development of nuclear weapons.
The United States has been a major contributor to the development of nuclear weapons.
The United States has been a major contributor to the development of nuclear weapons.
The United States has