The document provides an overview of the Age of Exploration by European powers beginning in the 15th century. It discusses key explorers like Prince Henry of Portugal, Bartolomeu Dias, Vasco da Gama, Christopher Columbus, Amerigo Vespucci, Vasco de Balboa, and Ferdinand Magellan who explored and claimed new lands for their European nations. It also summarizes the establishment of colonies in the Americas by Spain, Portugal, France, England, and the Netherlands as well as the introduction and system of African slavery that developed.