The Inca Empire has a population of 10 million people and a land area of over 900,000 square kilometers, once used to be the largest empire in the Western Hemisphere. He had a centralized government ...

The Inca Empire in South America, one of the most powerful pre-Columbian societies, was known for many innovations — such as the architecture of Machu Picchu, an extensive road network, and a system ...

かつて南アメリカのペルー・ボリビア・エクアドルを中心にケチュア族が築いた一大帝国が、世界遺産に登録されているマチュ・ピチュなどで知られる「インカ帝国」です。そんなインカ帝国について、「インカ帝国の始まりと終わり」について説明した ...

Inca bureaucrats recorded all the goings-on in their bustling empire using knotted cords called khipu, where the position and order of the knots represented numbers. They relied on the khipu system to ...