Question $41($Mandatory$)$

The understanding that the national government and state governments are both sovereign within their sphere of influence is called

a$)$ dual federalism or layer$-$cake federalism.

b$)$ cooperative federalism or marble$-$cake federalism.

c$)$ New Federalism or Bundt$-$cake federalism.

d$)$ creative federalism or spice$-$cake federalism.