The correct answer is D) be treated humanely and with respect.
Unlike most of his contemporaries, Cabeza de Vaca believed that the indigenous people should be treated humanely and with respect.
Alvar Nuñez Cabeza de Vaca was a Spanish explorer. He lived with the American Indians of the region of what today is Galveston, Texas. Cabeza the Vaca gained the respect of the Indians because he treated them well, with respect and critiqued the way other Spaniards treated the Indigenous people.