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.
Hidden Perspective on the Korean War. Issues over Containment Policy: America had one major goal throughout the Cold War, to stop the spread of communism. A major foreign policy that the US promoted throughout the 20th century was called Containment. The Containment Policy stated that the US would support any nation that are being oppressed by communism and cannot protect themselves from it.