The period saw major technological advances, including the adoption of gunpowder, the invention of vertical windmills, spectacles, mechanical clocks, and greatly improved water mills, building techniques (Gothic architecture, medieval castles), and agriculture in general (three-field crop rotation)
Answer:
D: To claim new lands for their country
Explanation:
The last one invest in heavily in machines and factories as well as new business...(of topic but do you go to rhs)