The candidate's debates are put in place for the voters to decided who they want to represent their party in the General Election. In order to become the representative for president for the Republicans or the Democrats, you must win a certain amount of delegates rewarded for winning states.
Columbus believed he had reached Asia when he had traveled less than halfway there because geographical knowledge at the time was limited. They believed if they sailed West they would reach Asia by sea but actually ended up in the Americas. He thought the world was smaller than it actually was.
