As what the map shows, one of the geographical features of West Africa is the Sahara Desert. Sahara Desert is the largest hot desert in the world. Camel caravans are important innovation in trade in West Africa because camels are the only animals that can withstand the hot temperature of the desert while carrying goods, and without food and water. The fat in the camels' humps gave them the energy to walk the desert even without food and water. The camel caravans made the West - North Africa trade possible, establishing trade routes across the hot desert.
He was sent to Seville, Spain to manage some business affairs of the Medici family.
John F. Kennedy was warned that the spread of communism had to be stopped
Its basic cause was a dynastic quarrel that originated when the conquest of England by William of Normandy created a state lying on both sides of the English Channel. In the 14th cent. the English kings held the duchy of Guienne in France; they resented paying homage to the French kings, and they feared the increasing control exerted by the French crown over its great feudal vassals. The immediate causes of the Hundred Years War were the dissatisfaction of Edward III of England with the nonfulfillment by Philip VI of France of his pledges to restore a part of Guienne taken by Charles IV; the English attempts to control Flanders, an important market for English wool and a source of cloth; and Philip's support of Scotland against England.
Answer: 1)medicine 2)physics 3)astronomy 4)Aristotle
Explanation: According to the second paragraph, members of the Royal Society discussed MEDICINE, PHYSICS and ASTRONOMY. According to the fourth paragraph, members didn’t want to eliminate the works of ARISTOTLE, but instead wanted to build on them.