Today in history we read about the aftermath of World War I - Treaty of Versailles, League of Nations, Article 231. As sometimes happens, the boy knew more than I did before reading the chapter. Here's the last bit of it:
And the debt imposed on Germany made it poorer and poorer, and its people more and more miserable. In a few years, the German people would be ready to listen to anyone who offered to revenge the wrongs done to Germany, and who promised to make their country great again.
And the boy said in his most ominous voice: "And then comes Hitler."