Answer :
Answer:
D) Gutenberg's printing press spread ideas about the New World
Explanation:
The steam engine was invented in 1712, and the astrolable was available for mariners since the greeks, as the slave rowers didn´t became popular till alter, and the printing press was created in 1440, they started to print faster and the ideas about the new world were spread faster. This means that the ideas and the excitment about the new world and the new opportunities spread wider and faster, and more and more people were willing to go and explore.
Answer:
B) The mariner's astrolabe determined latitude at sea.
Explanation: