USA HISTORY

Detailed explanation-1: -Pachacuti Inca Yupanqui, also called Pachacutec, (flourished 15th century), Inca emperor (1438–71), an empire builder who, because he initiated the swift, far-ranging expansion of the Inca state, has been likened to Philip II of Macedonia.

Detailed explanation-2: -Pachacuti, the greatest of the Incan Emperors.

Detailed explanation-3: -Pachacuti Inca Yupanqui (often simply Pachacuti or Pachacutec) was the 9th Inca ruler (r. 1438-1471 CE) who founded their empire with conquests in the Cuzco Valley and beyond. Pachacuti is also credited with founding the site of Machu Picchu.

Detailed explanation-4: -Pachacuti also focused his efforts on strengthening Cusco, the government center of the vast empire. He expanded Sacsahuaman, the massive fortress that guarded the city, and embarked on an expansive irrigation project by channeling rivers and creating intricate agricultural terraces.