The Supreme Court Ceased to Interfere with National Legislation on the Economy

The Supreme Court ceased to interfere with national legislation on the economy after

A) Congress impeached the Chief Justice of the Supreme Court.
B) Roosevelt removed six justices from the Court.
C) Congress voted to expand the Court to twelve justices.
D) Roosevelt named six new justices to the Court.
E) Roosevelt tried but failed to expand the Court by adding six new justices.