The agreement according to which the UK, the USA, and the former USSR cannot assist other countries in acquiring technology to develop Nuclear Weapons is known as?

The agreement according to which the UK, the USA, and the former USSR cannot assist other countries in acquiring technology to develop Nuclear Weapons is known as?

وہ معاہدہ جس کے مطابق برطانیہ، امریکہ اور سابقہ ​​سوویت یونین دوسرے ممالک کو جوہری ہتھیاروں کو تیار کرنے کے لیے ٹیکنالوجی کے حصول میں مدد نہیں کر سکتے، کیا کہا جاتا ہے___؟
Explanation

The Treaty on the Non-Proliferation of Nuclear Weapons, commonly known as the Non-Proliferation Treaty, is an international treaty whose objective is to prevent the spread of nuclear weapons.

Signed: 1 July 1968