The document discusses several key points about the Spanish conquest of America: 1) The number seven had special significance in the history and myths of Mexico. 2) Conquistadors like Christopher Columbus and Hernan Cortes publicized their exploits through letters and reports to gain favor and rewards from Spanish monarchs. 3) Diseases brought from Europe devastated native populations, giving the Spaniards a military advantage alongside their technology like horses, guns, and steel weapons.