Misc: In which country was the match invented?

Questions

Who's presently Commander-in Chief of the United States?

Columbia Records is flooded with requests for Cassius Clay's album?

Which animal (on average) can travel a distance of 30 to 40 miles a night?

Ariel is a natural satellite of what planet?

Ballet sensation Rudolf Nureyev leaps over the ___ to defect to the West?