Identify whether each statement is a characteristic of Athenian democracy or US democracy

The supreme court serves what important function in the u.s. federalgovernment?

How did the cleveland massacre impact standard oil in 1872? standard oil hired all the laborers who were nearly killed during the cleveland massacre. standard oil became a monopoly in the cleveland oil market after the cleveland massacre. standard oil was bought out by other companies in the city after the cleveland massacre. standard oil closed down to avoid additional violence in the wake of the cleveland massacre.

Which events are correlated but do not necessarily have a causal relationship?