Since Riddle #9 has been guessed, I'll add another one. I think maybe it will be easier:
A woman dropped a stick and then picked it up again. As a result of her dropping the stick, people thousands of miles away were very upset. Why?
NOTE: The correct answer has been guessed. Please see the comments section.
Lateral Thinking Puzzlers by Paul Sloane has lots of classic riddles, clues and answers. Click here to order it.