<P> The general consensus among scholars is that dual federalism ended during Franklin Roosevelt 's presidency in 1937 when the New Deal policies were decided constitutional by the Supreme Court . Industrialization , economic modernization , and conditions surrounding the Great Depression elevated commerce to a more national level , so there was an overlap in the powers of the federal government and the states . The federal government , using the Commerce Clause , passed national policies to regulate the economy . The Interstate Commerce Act and Sherman Antitrust Act solidified Congress 's authority to regulate commerce between states and expanded its role . This , in addition to the New Deal policies , led to the federal government and the states working together more , ending the era of dual federalism and moving America into cooperative federalism . </P>
the era of dual federalism ended with the
Franklin Roosevelt 's presidency in 1937 when the New Deal policies were decided constitutional by the Supreme Court