Herbert Hoover Fascinating booklet Further New Approaches to Lasting Peace, 56pp. June, 1943, an insight into Hoover's opinions as to the causes of World War II and his ideas as to how such future wars could be prevented. he makes a reference to United Nations and Trustee nations who would act as world caretakers until a formal world-policing organization can be established. Inscribed on (detached) front cover To Sergeant De Silva With the Good Wishes of Herbert Hoover .