Answer :
Several New Deal legislation has been declared illegal by the US Supreme Court. The Municipal Bankruptcy Act of 1934 was declared illegal by the Supreme Court on May 25, 1936, in a 5-4 judgment.
The U.S. Supreme Court invalidated a number of New Deal regulations on the grounds that neither the Constitution's sections on trade nor taxation gave the federal government the power to control business or implement social and economic change.
The Supreme Court invalidated a number of New Deal policies during Roosevelt's first term because they were unconstitutional. The Frazier-Lemke Emergency Farm Mortgage Act, a component of the New Deal intended to stop indebted farmers from losing their property, was the first law to be deemed unconstitutional.
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