How does this passage foreshadow the relationship between Columbus and the natives?

How did his exploration his country sir walter raleigh

Ascientist performs an experiment where she measures the mass of a piece of metal, pours acid onto the metal, washes the metal, and then re-measures the mass of the metal. the scientist repeats the experiment several times, each time increasing the amount of acid used. the dependent variable in the experiment is the: initial mass of the metal final mass of the metal amount of acid used washing the metal

Why did president wilson want the us to provide leadership at the end of wwi