Which Statement Best Describes Cooperative Federalism?​

Which statement best describes cooperative federalism?​

A) There are shared, interactive responsibilities between the national government and the state government.
B) The states bordering foreign countries can establish trade treaties separately from the national government.
C) ​There are two layers of government, the state and the national governments, that serve separate but equally powerful levels of government.
D) There are separate private and public spheres in American society.
E) ​Local governments have the authority to set aside directives from the national government and enforce local laws instead.