TSpin (all_type)

There were those of us who fought against this. But in the end, we could not keep up with the expense involved in the arms race, the space race, and the peace race. And at the same time, our people grumbled for more nylons and washing machines. Our Doomsday scheme cost us just a small fraction of what we'd been spending on defense in a single year. But the deciding factor was when we learned that your country was working along similar lines, and we were afraid of a Doomsday gap.