If it was the First World War, it would be the sinking of
the Lusitania and the Zimmerman telegram.
This caused Americans to abandon their isolationist policy and join the
First World War. If it was WWII, it could
be bombing of Pearl Harbor.
The Roman philosophy of stoicism promoted "self-control," since it was thought that if a person allowed to many emotions to take control this would lead to bad decision-making.
Speeding was involved in 35% percent of the fatal crashes that occurred in construction/maintenance zones. Speeding lessens the ability of the driver to safely steer on the highway curves and to prevent crashing on anything in the road.