The correct answer is the Influenza Pandemic.
This Influenza (flu) Pandemic killed between 20 and 100 million people (estimates differ) - more than the war itself!
The source of the Pandemic is still not known, and people suggest such places as the US, China and France.
If the plague, also referred to as ''black death'', didn't occurred in Europe, the continent would have had a much larger population for starters. Because of the plague and the huge loss of population, Europe faced huge problems from social, economic, and military perspective, but if it hadn't occurred, Europe would have been much stronger and the progress of the continent would have been evident and bigger earlier in time. Considering the European colonialism, it was also going to have a huge global effect because there was going to be a much larger number of people migrating into the European colonies later on.
Explanation:
atomic bombs are also called atom bomb
I think it’s C. Louisiana Purchase
