gun
the barbed wire
The Mothers of Invention ended in 1975.
The invention of barbed wire ended the open range
barbed wire
Atomic bomb
barbed wire
Mary Shelley claimed that "Invention, it must be humbly admitted, does not consist in creating out of void, but out of chaos; the materials must, in the first place, be afforded..."
they both ended in chaos
light bulb
Long Range Missile
barbed wire
Barbed wire