Answer:
2) it prevented Europe from recovering after the war.
Step-by-step explanation:
The influenza pandemic was very significant because it prevented Europe from recovering after the war. WWI, or the Great War, as it was called then, was extremely destructive to Europe. Such a damage had never been seen before in any other war. However, when the war was over, all countries attempted to recover from this destruction. However, many were unable to do so due to the arrival of the influenza pandemic, which claimed even more lives.