Yes they did have a emperor in the Heiam era
The answer is B. Many people have jobs.
Based on the information given, it can be deduced that the form of art illustrated by the Sumerian Standard is an inlay art.
Inlay in visual arts simply means a decorative technique art used for the creation of an ornamental pattern, design, or scene.
Inlay typically covers a range of techniques for inserting pieces of contrasting colored materials into depressions to form pictures or ornaments.
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Africa's resources were depleted and given to the American Colonies, which hurts their economy up to this day. Also, South America's natural resources were depleted (ie: Aztec gold) which hurt their economy as well. There's probably many more effects but heres one