The document discusses the Spanish Empire under the Habsburg dynasty between the 15th and 17th centuries. It focuses on the Habsburgs' political goals of accessing American resources like gold and silver, protecting Catholicism during the Protestant Reformation, and spreading Christianity. During this period, known as the Spanish Golden Age, Spain's arts and literature flourished under great artists. The Spanish also began colonizing the Americas, initially motivated by trade and religious conversion of indigenous peoples. Their colonization efforts were led by figures like Christopher Columbus and Vasco Nunez de Balboa.