Hitler was never one to believe in things like "All races should live in peace" or "Revolution can create a classless society". Although B) is a good answer as well, it's kind of unsophisticated as an answer.
The "B) Jewish people are to blame for Germany's troubles" sentence is a point Hitler makes in his book Mein Kampf. The Main Kampf is a book written by Adolf Hitler when he was at the Landsberg Prison and this book described Adolf Hitler's experience and reason of his belief. This book was released<span> in 1925.</span>
The exchange introduced a wide range of new calorically rich staple crops to the Old World—namely potatoes, sweet potatoes, maize, and cassava. The primary benefit of the New World staples was that they could be grown in Old World climates that were unsuitable for the cultivation of Old World staples.