1a What does this map tell you about communications links between West Berlin and the Western zones of Germany?
1b Does this map help you to see why Stalin decided to blockade Berlin?
1c Do you think this map was drawn up mainly to help the military, the politicians or civilians? Explain your answer.
1d If you were in charge of getting supplies to Berlin by air, what would be the main problems facing you?
Look at your answers to the questions on source 1.
Which category / categories does it fit in your worksheet?
Do you think you will use this source in your exhibition?
What are its strengths and weaknesses?