| Clue | Answer |
| Lightning War used by Germany | |
| Period of limited activity 1939-1940 | |
| British army in France | |
| Becomes PM on May 10 1940 | |
| Name given to Germany, Italy and Japan | |
| French defence the Wehrmacht went around | |
| Where British troops assembled for retreat | |
| Number evacuated in May/June 1940 | |
| Ruler of defeated France | |
| Main German fighter aircraft | |
| Most important British fighter aircraft of 1940 | |
| Invention allowing Britain to track enemy planes | |
| Name given to bombing of British cities | |
| City famously bombed in November 1940 | |
| War to ensure Britain's supply lines were open | |
| American agreement to supply Britain during war | |
| Main threat to allied shipping | |
| Code broken by British spies | |