It is SaO2 that measures oxygen saturation of hemoglobin, and it should be clear that it depends on the partial pressure of arterial oxygen. If PaO2 drops, there's less dissolved oxygen, and therefore less saturation of hemoglobin with oxygen.
The Cuban Missile Crisis was a propaganda victory for the United States and an undisclosed blow to containment. Some may contend that since the Soviet Union ultimately fell, the policy of containment was successful. This is an overly generous statement.
Containment Facts - 1: The purpose of the US Containment policy was to restrict communist expansion response to a series of moves by the Soviet Union to enlarge its communist sphere of influence in Eastern Europe, the Middle East, China, Korea, Cuba and Vietnam.