"...Most Republicans and many Democrats in Congress opposed the so-called “court-packing” plan.
"In April, however, before the bill came to a vote in Congress, two Supreme Court justices came over to the liberal side and by a narrow majority upheld as constitutional the National Labor Relations Act and the Social Security Act. The majority opinion acknowledged that the national economy had grown to such a degree that federal regulation and control was now warranted. Roosevelt’s reorganization plan was thus unnecessary, and in July the Senate struck it down by a vote of 70 to 22. ...
a switch in time saves 9.