Diseases are caused by many agents or factors found in the environment. Yet, some of these diseases are curable, while some are not. These diseases are curable, but sometimes they take a huge toll on an individual's life that may change that person for his or her whole life, which is why prevention is always better than cure.
Europeans traveled the word to expand trade, religion, and land. The negatives were the destruction of the cultures and people affected by the colonization.
