-Colonize the Incan Empire
-Bring Spanish culture to South America
-Help speed up the colonization process in South America
-created the first viceroy in South America, the viceroy of New Castile
That is if you consider this good of course
http://www.p12.nysed.gov/assessment/ss/hs/framework/ghg2/rubric-prototype-crqs.pdf
Answer:
There was no going back. This is the story of the removal of the Cherokee Nation from its ancestral homeland in parts of North Carolina, Tennessee, Georgia, and Alabama to land set aside for American Indians in what is now the state of Oklahoma.