This!

It’s merely a buffer flush, in case it’s empty, the program handling the input can choose how to interpret, cat decides to do it as an EOF.

Reason why it also works as exit.

Some dude explained below.

Yeah, kinda confusing.

They want the UK kicked out of the “spying group” because it was… spying?

I wouldn’t call it an arms race too, although, if France’s nukes are being spread out, it would make sense to expand their arsenal as well.