cabeza de vaca was a spanish explorer
The correct answer is: He led attacks on Spanish ships carrying treasure from the Americas.
Drake did a number of things to delight Elizabeth, including defeating the Spanish armada but he gained renown for his privateering.
A monarch could no longer collect special taxes without the consent of nobles and Church officials. No "free man" could be jailed except by the lawful judgement of his peers or by the law of the land. It also introduced the idea that not even a monarch was above the law.