 This increased the travel time, typically to two or three months, when a fast ship, unescorted, could make the trip in three weeks.In 1565, while Muñoz was still serving on the Council of the Indies, the Second Marqués del Valle de Oaxaca and Luis Cortés, both sons of Hernán Cortés, led a conspiracy to declare the independence of New Spain.The conspiracy was suppressed and some of the conspirators, including the sons of Cortés, were arrested.