Which planet in our solar system has the largest ring system? You're answer is option C "Saturn." All four gas giants have ring systems but Saturn has the largest ring system. You could know this by seeing that you can see Saturn's rings but you can't see Uranus, Neptune, and Jupiter's rings.
Wrote sensational reports on a variety of serous problems facing the US. Their works were widely published, and widely read, and they motivated people to make reforms.