When it comes to which photographs have influenced the fate of humanity the most, it’s spy photos. This is not about composition, tonal range or colors, but about pure information. Resolution and contrast were important, for example, when photographing Soviet documents about the missile sites in Cuba in 1962. These contributed significantly to preventing nuclear war at the time.
The most widely used camera during the Cold War was the Minox subminiature camera.
I have compiled four cases in which the course of history was demonstrably influenced by photos secretly taken with a Minox Spy Camera. Read the whole article. They happened in Munich, Moscow, Bonn and Norfolk, Virginia.