World war three is the answer
Answer:
In the 1330s, many natural disasters and plagues led to widespread famine, starting in 1331, with a deadly plague arriving soon after. Epidemics that may have included the plague killed an estimated 25 million Chinese and other Asians during the fifteen years before it reached Constantinople in 1347.
Most of them were farmers.
Aristotle was the first Greek philosopher to analyze how people can use reason to reach logical, provable conclusions.
I believe the answer is the first one.