The Age of Discovery opened the world to Europe. Discuss the positive and negative aspects of exploration. How did it benefit or harm Europe?

The Age of Discovery opened the world to Europe. Discuss the positive and negative aspects of exploration. How did it benefit or harm Europe? How did it beneift or harm the areas where travelers from Europe came and settled? In what ways is this kind of expansion and exploration still happening today? Give some examples or explain why you think it is not happening today. (NO word limit)