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well the Sumerians were great contributors to early mathematics and language. after long civil wars and border disputes made their military strong.
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Yes. Things such as, the calendar, units of measurements and the clock minutes.
The Sumerian's made early versions of mathematics, advanced writing\language, and art.
They study and admire Astronomy and mathematics
The Sumerians advanced their civilizations in several ways. They invented writing and mathematics which advanced things greatly. They also invented the wheel, which advanced trade and travel.
Sumerians invented adding, subtracting, dividing and multiplying. The math were only taught in school.
They used hard clay
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writing, printing, mathematics, calendar, sailboat,plow,potters wheel, story's, and envelope :)