The document summarizes the colonization of the Americas by European powers beginning in the 15th century. It describes how Spain conquered vast territories from Mexico to South America through the expeditions of Hernan Cortes and Francisco Pizarro, aided by superior technology and diseases that weakened native populations. It also discusses how the Spanish colonial system exploited native groups and imported African slaves to extract wealth in the forms of gold, silver, and agricultural goods. Finally, it outlines how other European powers like France and England later established their own colonial holdings in North America.