The correct answer is C) calculated the correct size of the world.
What is not true of Columbus is that he "calculated the correct size of the world."
Christopher Columbus discovered the Americas on October 12, 1492. After so many days of desperation, he finally saw land. He was traveling in "La Pinta" ship when one of his men shouted, "land ahead!" The trip had been sponsored by Spain King Ferdinand of Castilla and Queen Isabella, the Catholic. What is not true of Columbus is that he "calculated the correct size of the world."