Which of the following banned the development of new nuclear weapons and the improvement of old weapons?

Q. Which of the following banned the development of new nuclear weapons and the improvement of old weapons?

Q. What are the terms and conditions of "Limited Test Ban Treaty'?

Q. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Which among the following country/countries refused to sign the Partial Nuclear Test Ban Treaty of 1963?

Q. When was the Partial Test Ban Treaty signed between the USA and the former USSR?

Q. There is among the great powers no agreement to ban nuclear weapons on a treaty.
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