Brunelleschi created perspective, it was important because it was never seen before and allowed artists to draw what their eyes could see
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giving the "most power" to the national government, letting the president direct the executive branch, and having a "firm system of checks and balances"?
<span>the Union of Soviet Socialist Republics abbreviated to the USSR or a shortened to the Soviet Union, was a Marxist–Leninist state on the Eurasian continent that existed between 1922 and 1991.
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I believe it is the Sumerian.
The Silk Road was the easiest way for people to trade supplies but over the years people started to taxes everything in the silk road to the point no one wanted to do any trading there