Simplify the following text for a Grade 6 native English-speaking person.
Original: Christopher Columbus 's second expedition to the Americas set sail from El Puerto de Santa MarÃ a. His pilot , Juan de la Cosa drew his world map ( the first including the coast of New World ) in El Puerto in 1500 .
Simplified: Columbus began his second voyage to the New World from El Puerto . His pilot , Juan de la Cosa , created the first map of the world to include the coast of the New World in El Puerto in 1500 .