The Columbian Exchange was more harmful than helpful, because the Europeans brought war and destruction, diseases, and anger. Overall the Tainos were peaceful, and inviting, yet this all changed when Columbus and his crew arrived. Some historians believe that the Europeans brought diseases to the new world. This had a great impact on the Tainos and Native American population. Tainoa, and Native Americans immune systems weren’t used to the diseases and couldn’t handle them. Therefore these diseases such as malaria, smallpox, and yellow fever left millions of Natives dead. Some might argue that it helped the Tainos and the Natives experience what life would be like when Columbus and his crew sail them back to Spain with Columbus. Yet if the