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D. Cuneiform
The Sumerians developed cuneiform, which was a system of writing in which writing was inscribed on clay tablets with a stylus. This is one of the earliest known systems of writing.
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Answer: winning elections; contesting elections
Explanation:
By winning elections and occupying seats in the government, members of the party influence public policy. Thus, contesting elections lies at the heart of a political party's function.
That could go both ways, maybe they didnt own a plantation or have use for a slave. But they still could support it. Or, they could be completely against it, and think its completely wrong and dehumanizing, they could help runaway slaves get to the north.