What was the procedure by which case united states vs lopez went to court

United States v. Lopez. United States v. Lopez, case in which the U.S. Supreme Court on April 26, 1995, ruled (5–4) that the Gun-Free School Zones Act of 1990 was unconstitutional because the U.S. Congress, in enacting the legislation, had exceeded its authority under the commerce clause.

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answer; i believe that the correct answer is (a); a large rock being weathered by wind and rain;