About aggression, the innate human tendency to cause harm, overpower, dominate...
it is so much easier to destroy than to construct and create, all too often, sooner or later, there is some fool running in with his axe.
on the right elements related to the Cold War, top middle print out of a computer virus, in the background the seminal 1869 infographic from Charles Minard referring to Napoleon's march on Moscow - and back - the thinning black lines represent the numbers of soldiers returning...
seen here is an early phase, the later one has skulls at the top - it was the Neanderthal who had the largest brain capacity, unfortunately, perhaps not so handy with his stone weapons...