Final answer:
Senate Rule 22, derived from the Senate's ability to make its rules, resulted in filibuster regulations, including the modern filibuster, requiring 60 votes for cloture and allowing the minority considerable power to obstruct legislation. The correct option is a.
Step-by-step explanation:
Senate Rule 22 (XXII), resulting from the Senate's power to set its own rules, has led to filibuster regulations. Specifically, Rule 22 established the cloture motion, which requires 60 votes to end debate on a legislative matter.
This rule is central to the practice of the modern filibuster, where a senator indicates ongoing debate to halt a bill's progress, effectively setting a supermajority requirement for legislation to pass.
This has considerable implications for the legislative process, as it empowers the minority in the Senate to exercise great control by obstructing legislation they do not support. The correct option is a.