Food - Weapon of Conquest with food producers ordered to assist the war aims of the Nazi government. New uses for food products included fat as a component for high explosives, apples to be turned into synthetic fuel and milk made into lubricating oil. German scientists created other synthetic items include a soy substitute for meat, with the purpose of making the nation self-sufficient in food. In Italy, self-sufficiency in food is also a goal for the Fascist regime led by Benito Mussolini who attempted to re-establish Italy's former glory. His efforts to reinvigorate the nation began with a campaign to increase its population, necessitating
Time-varying covariate of residence. For example, if a person is born at time 0 in area A, moves to area B at time 5, and is diagnosed with cancer at time 8, two observations would be made. One with a length of 5 (5 − 0) in area A, and one with a length of 3 (8 − 5) in area B. Time-varying covariate A time-varying covariate (also called time-dependent covariate) is a term used in statistics, particularly in survival analyses. It reflects the phenomenon that a covariate is not necessarily constant through the whole study. For instance, if one wishes to