Question: Hungry Ghosts: Mao's Secret Famine is a book written by Jasper Becker, in it Becker argues that the American press reported the Great Chinese Famine with accuracy, but leftists and communist sympathisers such as Rewi Alley, was a New Zealand-born writer, educator, political activist, revolutionary, social reformer, potter, and member of which country's organization?
Sentence (from "Hungry Ghosts: Mao's Secret Famine"): Becker concludes that the tragedy could have been averted after the first year if Mao's senior advisers had dared to confront him.
Relevant evidence: No