1492 is the year he set sailed
They were all slave states that had remained in the Union and this is what Missouri, Kentucky, Maryland and Delaware had in common during the Civil war. The correct option among all the options that are given in the question is the second option. I hope that this is the answer you were looking for and it helped you.
Christopher Columbus In 1493, on his second voyage to the Americas, Spanish horses, representing E. caballus were brought back to North America
