Answer: Sumerians were able to do multiplication and division.
<span>B. attacked the traditional view that earth is the center of the solar system.
Hope this helps.</span>
The correct answer is B. Bipartisanship
Bipartisanship is when two parties that usually oppose each other work together on something. For example, if there is a war and both parties support it then it doens't matter that they disagree with each other on economic policies or social problems.
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1. it stopped the spread of slavery north of the Ohio river