Final answer:
Christopher Columbus was driven by the allure of a shorter route to Asia and the support of the Spanish monarchy. He did not seek to prove that the Earth was flat.
Step-by-step explanation:
Christopher Columbus was driven to undertake his journey despite facing skepticism from others due to several factors. One factor was the allure of a shorter route to Asia. Columbus believed that by sailing west, he could reach Asia more quickly and establish trade routes. Another factor was the support of the Spanish monarchy. Queen Isabella and King Ferdinand provided Columbus with the necessary funds and ships for his expedition. Finally, it is important to note that Columbus did not desire to prove that the Earth was flat. By the time Columbus set out on his journey, most educated people already knew that the Earth was round.
Learn more about Christopher Columbus's motivations