B. ITS CENTRAL LOCATION BETWEEN EUROPE AND ASIA
Answer:
Hitler
Explanation:
During the time period 1939-1945 Churchill was the Prime Minster of Britain and he is mostly likely referring to the leader of Germany, Hitler because of his aggression and annexation of country's around him.
What did the planes have in common? they were all domestic flights heading towards the West coast, which means that they would have a great amount of fuel on them: this would increase the explosion and fire after the crashes. This was a likely reason for those and not other planes being chosen.