> You can strike all two-word countries from that list because the word was long enough to wrap

What an excellent observation. So, yes, looking at this image:

https://prod01-cdn00.cdn.firstlook.org/wp-uploads/sites/1/20...

it does look like El Salvador and Ivory Coast would have been split on two lines (unless their word processor somehow avoids separating such phrases).

We are left with Afghanistan as the most likely candidate, agreeing with the original guess.