Why do you suppose King perdinand and Queen Isabella might not have believed?

King Ferdinand and Queen Isabella may not have believed Columbus's claims due to the skepticism surrounding his ambitious plans and the lack of tangible evidence to support his assertions. They might have been cautious about investing resources in what seemed like a risky venture, especially given the prevailing doubts about the existence of a westward route to Asia. Additionally, their experiences with explorers and merchants who often embellished their findings could have contributed to their initial skepticism. Ultimately, their eventual support for Columbus was likely driven by the potential for economic gain and the desire to expand their influence.