 He was able to influence the king, and the fruit of the reformers' labour was the New Laws of 1542.However these provoked a revolt by the conquistadors, led by Gonzalo Pizarro, the half-brother of Francisco Pizarro, and the alarmed government revised them to be much weaker to appease them.Continuing armed indigenous resistance, for example in the Mixtón War (1540–41) and the Chichimeca War of 1550 resulted in the full enslavement of thousands of captives, often out of the control of the Spanish government.