When was the outer space treaty and what did it mean?

When was the Nuclear Non-Proliferation Treaty and what did it mean?

How would the Nuclear Non-Proliferation Treaty be put into effect?

In 1968, which countries had nuclear wepons?

When was SALT and what did it mean?

What four actions would help ensure SALT was carried out?

What four things were discussed at the 1975 Helsinki Conference?

What were the limitations to the detente?