The answer is C. Great migration
The Russian-German Treaty of Nonaggression of 1939 "<span>a. Freed Hitler to pursue a more aggressive policy in western Europe," since Hitler no longer had to worry about fighting on the eastern front against Russia. </span>
<u><em>She is nagging and controlling,</em></u>
because in the excerpt you portrayed, Mitty's wife is demanding to Mitty is is really pushy.
-Hunter