Answer:
Because the climate of Mesopotamia was dry with little rainfall, farmers depended on the flooding of the Tigris and Euphrates rivers for water for their crops. The silt left behind from the flooding water made the soil fertile
Explanation:
Lateen sail, astrolabe, magnetic compass, rudder, mapmaking skills (Latitude and Longitude), Caravel (let ships sail INTO the wind); All helped with European Exploration; Islamic scholars saved Greek and Roman texts, zero, medical advances, numbers/algebra
The second bank and tariffs help meet economic challenges because it gave the country a more stable national currency. This was because of mass marketing.
