Respuesta :
The Mayas and the Roman Empire invented a calendar, they were so advanced in astronomy. On the other hand, both had their own systems to write: Mayas had hieroglyphs and the Roman Empire Latin. Finally, both cultures were polytheistic, which means that believed in many Gods.
Ancient Japan first adopted the Shinto religion which was important due to the fact that it led to many more world religions. Japan has also made many innovations such as being the first to research ai developments and robotics.