From 1938 until 1995, the U.S. Supreme Court did not invalidate any federal statute as exceeding Congress' power under the Commerce Clause. Most actions by the federal government can find some legal support among the express powers, such as the Commerce Clause, whose applicability has been narrowed by the Supreme Court in recent years.
What happened between 1938 to 1995?
the U.S. Supreme Court did not invalidate any federal statute as exceeding Congress' power under the Commerce Clause.