Sentence:  Morrison points out that since our country is more urbanized than the Soviet Union or Red China , it is the most vulnerable of the great powers - <WSD>Europe</WSD> of course must be written off out of hand . 
Meaning of the word marked with <WSD> tags:  the 2nd smallest continent (actually a vast peninsula of Eurasia); the British use `Europe' to refer to all of the continent except the British Isles