Answer:
Like in medieval Europe, Japan developed a feudal system dominated by a warrior aristocracy outside of the weak central government. The emperor was the head of feudal society in name only. The shogun, the military commander, held the real power. The shogun gave lands to vassal lords, daimyo, who supported him.
Answer:
The value of pi helped them calculate the circumference of Earth. The value of pi helped them explain that Earth is a rotating sphere.
Explanation:
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There was little control over urban life, they also performed social services for the immigrants, and the cities needed the services they provided. They understood how to use the political system for their own good.
Geoffrey of Monmouth, bishop of St. Aspah (1100-1154), is credited with spreading a long-held belief that relates the megalithic monument to Merlin, the famous magician friend, and protector of King Arthur. He says that Stonehenge stones were brought from Ireland to the plains of Wiltshire with the help of some 'artifacts' to commemorate a mass burial of Bretons.
This Welsh Cleric relates this magnificent Stonehenge monument to the most famous druid/wizard, Merlin, and King Arthur. The legends speak even of the king's father, Uther Pendragon.
In one of his works Geoffrey of Monmouth, tells that the magician Merlin advised King Arthur to move from Killaraus, Ireland, the stone monument known as "the circle of giants" to its current location. The idea was to honor for eternity the memory of 460 noblemen killed by the Saxons and buried in the place. The envoys of the king could not dismantle the monument and it had to be Merlin himself who, magically, moved the stones to where they are today keeping its form.