Final answer:
Historical bread lines were a form of rationing during times of scarcity, such as the Great Depression. The question doesn't provide specific historical references, but by analyzing a hypothetical situation where sandwiches are made from bread and cheese, we can deduce that each person would likely receive two slices of bread per sandwich, corresponding to option D. 2.
Step-by-step explanation:
The question appears to relate to historical bread lines, during times of economic hardship such as the Great Depression when individuals would queue to receive food rations. Although the question does not provide a direct historical reference to correlate the number of pieces of bread people were supposed to get in bread lines, we can infer that bread lines were a means of providing the necessary sustenance to those in dire need and often had to ration supplies strictly due to high demand and limited resources. Considering the essence of rationing it's important to reason through what would be a feasible ration amount per person.Based on the information provided, if we look at a hypothetical situation of distributing food with a fixed number of sandwiches being made from a set amount of bread and cheese, it's demonstrated that for each sandwich, two slices of bread and one slice of cheese are necessary. Thus, if one were to stand in line for this provision, they would receive two slices of bread as part of their sandwich. This corresponds to option D. 2 in the given multiple-choice answers. Such scenarios can shed light on the rationing systems that might have been in place during historical periods of scarcity where food lines and rations were commonplace.