What other innovations helped to spur Europeans explorations in the amerias?

Several innovations significantly spurred European explorations in the Americas, including advancements in navigation technology such as the magnetic compass and astrolabe, which improved maritime navigation. The development of more durable ships, like the caravel, allowed for longer voyages and the ability to sail against the wind. Additionally, improved cartography provided more accurate maps, enabling explorers to better understand and navigate unknown territories. Together, these innovations facilitated ambitious expeditions and the eventual colonization of the Americas.