Answer:
According to Article I, Section 2 of the US Constitution, the Chief Justice of the United States presides at impeachment trials when the President is on trial on an impeachment.
Explanation:
Athenian democracy developed around the 6th century BC in the Greek city-state (known as a polis)
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The Republican Party emerged in 1854 to combat the Kansas–Nebraska Act and the expansion of slavery into American territories. ... The party opposed the expansion of slavery before 1861 and led the fight to destroy the Confederate States of America (1861–1865).