Congress Has Played a Major Part in Preserving Federalism by

Congress has played a major part in preserving federalism by

A) gradually expanding the power of the states beyond what the Constitution allows.
B) placing the national military under the control of state governors when federal troops are located in their states.
C) authorizing the U.S. Treasury to insure any debts acquired by state governments.
D) remaining responsive to local constituencies through the election process.
E) decreasing the size of the federal bureaucracy.