To find a tenth, just divide 0.2 by 10. The answer is 0.02.
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
