Answer: Because the Holocaust involved people in different roles and situations living in countries across Europe over a period of time from Nazi Germany in the 1930s to German-occupied Hungary in 1944 one broad explanation regarding motivation, for example, “antisemitism or “fear,” clearly cannot fit all. In addition, usually a combination of motivations and pressures were in play. For the Holocaust as other periods of history, most scholars are wary of monocausal explanations. Interpretations of individuals’ motivations fall into two broad categories: first, cultural explanations (including ideology and antisemitism); and second, social-psychological ones (fear, opportunism, pressures to conform and the like).
The New World crops that added the most calories to European diets and therefore positively impacted sustainable population numbers were "<span>b. Potatoes and maize," since these were the most abundant and had the most nutritional benefits. </span>
