Complex sentence: RAINN, the Rape, Abuse & Incest National Network, is the nation's largest anti sexual-assault organization and was ranked as one of "America's 100 Best Charities" by Worth magazine in 2001.
Split into simpler sentences: RAINN, the Rape, Abuse & Incest National Network, is the nation's largest anti sexual-assault organization. It was ranked as one of "America's 100 Best Charities" by Worth magazine in 2001.