Answer:
4. A change of wind patterns and oceanic currents brought on by climate change allowed European ships to travel westward faster than ever before. This led to explorers, like Columbus, to figure they could survive a long sea voyage to the East, now that their ships could travel at greater speeds.
Step-by-step explanation:
The Renaissance given rise to new ideas and technologies, such as breakthroughs in mapping, navigation, and shipbuilding, which propelled the Age of Discovery. The most major development occurred in Iberia with the creation of the Carrack and later the Caravel.