Answer:
Compass: Allowed sailors and navigators to find direction.
Gunpowder: Allowed us to make modern day weapons, such as guns.
Paper: Allowed us to write on a thing that can be mass produced and is efficient to use.
Explanation:
U must point ur forefinger in the direction of the lines of force
Hernán Cortés killed Montezuma and defeated the Aztecs
I believe your answer is the Aztecs.
