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The correct answer is D) Emperors communicated using runners from the capital city of Cuzco.
This was a characteristic of the Inca civilization: "Emperors communicated using runners from the capital city of Cuzco."
The Inca were one of the most important civilizations in South America in Prehispanic times. They settled in the mountains called "Anders" in Peru and built the impressive city of Macchu Pichu. People lived in modest houses made of stone and as they lived in the mountains, they worked as farmers to make a living building "terraces," portions of flat land where they could grow crops.
The American president was born into a wealthy and eminent family but as a child he was weak and very sickly.He suffered asthma, had very poor vision, and was terribly thin, so his parents did not believe that he would survive.To compensate for his physical weakness, he developed an intense life. He helped other children when he was in elementary school, served as a physics teacher before receiving his bachelor's degree and soon after he was known as the best teacher in his city, all that made him convert in one of the strongest men physically and mentally.It was his very physical handicap that prompted him to be better, and the love for life that made him stick to the physical world.