Which statements about characteristics of the Inca's civilization are true?
Choose all answers that are correct.
<span><span><span> A.</span>Scribes painted books and kept records of taxes and territories conquered.</span><span><span> B.</span>Emperors communicated using runners from the capital city of Cuzco.</span><span><span> C.</span>Astronomers predicted eclipses and developed a 365-day calendar.</span><span><span> D.</span>The city of Machu Picchu was probably a retreat for nobility.
