The two distinct civilizations of East and West have left a deep impression on each other. Trade was the major reason for the Europeans to search the Eastern Asian nations and it has transformed the destiny of the people of these continents forever. The spice have a valuable market in the West and it had gathered huge profit for the traders. But whats became most significant was the exchange of ideas which help them to better understand the people of distant lands.
Inflation can result from rising demand and reduces the value of money. Money loses value when its purchasing power falls. Since inflation is a rise in the level of prices, the amount of goods and services a given amount of money can buy falls with inflation.
Avicenna's main contribution was within (D) philosophy. Avicenna made significant strides in his ideas of metaphysical doctrine and the existence of God.