World War 2 officially started on September 1, 1939 when Germany invaded Poland and most other nations which were part of the British Empire and Commonwealth declared war on Germany.
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Answer:
Der Onkel möchte die Tante besuchen.
Cages are meant to prevent the escape of animals or people inside, the cage around West Berlin, however, was meant to prevent the escape of people outside. The People in West Berlin were free.
Not sure though.