Authors use figurative language to make their writing more interesting and to more easily communicate an idea that is not easily understood because it may have an abstract nature or complexity.
Answer: by singing it more loudly than other words :)
Explanation:
1-The Native Americans were on edge and did not know what to think of the Spaniards
2- The barge sinks while trying to leave the island
3- They become desperate for survival and the natives take them in and make them medicine men
4- The native Americans insist the Spaniards heal their men, but the Spaniards think its naive and will not work.
5- Making incisions over the wound, sucking on it, then cauterizing it.
Hope these answers help!