Match List-I with List-II and select the correct answer:
| List-I | List-II |
| a. Soviet Union-German Non-Aggression Pact | 1. September 1939 |
| b. Germany invaded Soviet Union | 2. March 1939 |
| c. Germany occupied Czechoslovakia | 3. June 1941 |
| d. Germany invaded Poland | 4. April 1941 |
A. a-4, b-3, c-2, d-1
B. a-2, b-4, c-1, d-3
C. a-3, b-1, c-4, d-2
D. a-1, b-3, c-2, d-4
Answer: Option A

Join The Discussion