The answer is C. This is because C is correct.
Rationing was important to make sure no one got to much food. And because the supply of food was so little they had to rations. Goods rationed where eggs, milk, bread things like that
6. The decline of feudalism occurred due to a number of events which occurred during the Medieval era of the Middle Ages. Feudalism was based on the division of land by the king to nobles and vassals in return for their military service under the Feudal Levy.
7. New technologies were used during the Hundred Years' War which helped France win. When the war ended feudalism declined due to the increasing power of monarchies caused by the Hundred Years' War.
8. The end of the Middle Ages came about because of the black plague, the development of the printing press and the decline of the Catholic church.
9. New technologies such as electricity became a new idea. Telegraphs, light bulbs and so on.
10. Age of Discovery
Every nation has a chief of state, a person who serves as the symbolic leader of the country and represents the nation. In the United States, the president both leads the government and acts as the chief of state, although this is not the case in many countries. As chief of state, the president presides over commemorations of war heroes, throws out the first pitch at baseball games, and attends funerals of world leaders, among other duties.
I would say D or maybe C but i think its D