I believe it is : A person's action during a lifetime that effects that person's fate in the next life.
Im not entirely sure but i hope it helps.
The external borders of the Empire did not change noticeably from the Peace of Westphalia – which acknowledged the exclusion of Switzerland and the Northern Netherlands, and the French protectorate over Alsace – to the dissolution of the Empire
It would be battle of Leningrad where the soviets turned the Germans back and crushed them.
This line of french fortifications on the german border was known as the Maginot Line. So the answer is C
