Start by naming any country that France borders. Then name any country that borders any of those countries. Then keep going until there are no more countries left to name.
You need to give a little more info on what the quiz is about. Is this the best of all time, best of now, best of what? When you're doing a "Best Athletes" quiz and it doesn't accept names like Michael Jordan and Muhammad Ali, something is off. And it looks like you're only looking at 3 different sports. That would be good to know as well.