What did the Nuclear Test Ban Treaty achieve? eased tensions between the United States and the Soviet Union brought on glasnost and perestroika established the former Soviet republics as independent countries showed the American economy was able to survive under pressure

Explanation:

On August 5, 1963, representatives of the United States, Soviet Union and Great Britain signed the Limited Nuclear Test Ban Treaty, which prohibited the testing of nuclear weapons in outer space, underwater or in the atmosphere. The treaty, which President John F. Kennedy signed less than three months before his assassination, was hailed as an important first step toward the control of nuclear weapons.  Hope This Helps Bro!!

nothing certain is known about what happened, but it seems that the country declined gradually, perhaps due to bad government, or, more likely, due to a series of bad harvests, which resulted in widespread and recurrent famine.