C. Causation involves one event that leads to the occurrence of another.
Explanation:
As per the Bureau of Statistics connection is, "A statistical measure (expressed as a number) that describes the size and direction of a relationship between two or more variables."
While causation "Indicates that one event is the result of the occurrence of the other event; i.e. there is a causal relationship between the two events. This is also referred to as cause and effect."
Big business not only monopolized the economy, but also caused unprecedented corruption in the political system. Big business impacted American politics by establishing a firm and corrupt foothold in the government