Describe at least two negative and two positive aspects of the Spaniard discovery of the New World

Spaniard discovery of the New World opened up new opportunities for mankind, encouraging explorers to find new lands and expanding the known world of that time into a whole new level. The discovery also founded new routes of trade and commerce making the trade market bigger than ever before.

Along with that the discovery caused pain and suffering for some area that came in conflict with these explorers and as a result many human lives were lost. An era of persecution started for native Indians and they lost much to these discoveries.