Mortality reminders make people endorse preemptive attacks on non-threatening countries

Evidence

In a 2006 experiment, American conservatives reminded of their mortality or the events of 9/11 were more supportive of preemptive nuclear and chemical attacks on countries that posed no immediate threat to the United States. … They also felt that capturing or killing Osama bin Laden was worth such a risk, even if thousands of innocent civilians were killed or injured in the process. — Sheldon Solomon, Jeff Greenberg, Tom Pyszczynski, The Worm at the Core, 538