Study the following infographic and determine which of the following statements about picket fence federalism are accurate.
a) Picket fence federalism involves a clear separation of powers between federal and state governments.
b) Picket fence federalism emphasizes collaboration and coordination among different levels of government.
c) Picket fence federalism is characterized by rigid hierarchies within governmental structures.
d) Picket fence federalism promotes a competitive relationship between federal and state governments.