Under the reign of Olaf III of Norway, Oslo became a cultural centre for Eastern Norway. ... He started building Akershus Fortress and was also the first king to reside permanently in the city, which helped to make Oslo the capital of Norway
Answer:Type of Government: Mesopotamia was ruled by kings. The kings only ruled a single city though, rather than the entire civilization. For example, the city of Babylon was ruled by King Hammurabi. Each king and city designed the rules and systems that they thought would be most beneficial for their people.
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A mercenary is an individual who isn't really loyal to any nation, and instead fights in the armies of whoever pays him well.