I believe the first answer is The Turks captured Constantinople closing the path to the Silk Road. The second is Europeans developed the economic system of mercantilism and needed reserves of gold and silver. Hope I helped!
<span>that Hellenistic inventor and mathematician would be : D. archimedes
During his bath time, archimedes found out that if an object is partially or completely submerged in a fluid, it will create a force of magnitude which is equal to the fluid in opposite direction from where it's come from, which is leveraged in the development of modern ships</span>
A) they burned down forests and then cleared the land in order to plant.
