Can Columbus be held responsible for the devastation the indigenous people went through from the spainiards

yes

Explanation:

Columbus and the Destruction of Native peoples. The first and most important thing to understand is that the Native American population on Hispaniola (and later, Cuba) was destroyed over the course of a century or less, and that the Spanish were primarily responsible for this. Certainly Columbus was not a perfect person by any means, and was a man of many flaws.

i believe the answer is: returns on investments, no wages

people who belong in upper class society would most likely get there by obtaining multiple source of income, which a certain percentage of ownership for businesses. since most of them are job creator, they would most likely get their money from profit, not wages.