Joachim von Ribbentrop

Conflict

This pact between Hitler and Stalin paved the way for WWII

Seventy-five years ago this week, the world was turned upside down when Hitler and Stalin signed a pact of alliance. Within days Hitler invaded Poland, starting World War II. Roger Moorhouse, a historian, has a new book out on the momentous but often-forgotten "Devils' Alliance."

Conflict

This pact between Hitler and Stalin paved the way for WWII

Seventy-five years ago this week, the world was turned upside down when Hitler and Stalin signed a pact of alliance. Within days Hitler invaded Poland, starting World War II. Roger Moorhouse, a historian, has a new book out on the momentous but often-forgotten "Devils' Alliance."