What advantage does Federal system of government have over Confederal and Unitary? Part 1

Question

Fill in the blanks with the correct answer:
An advantage the federal system of government has over confederal is _____________.
An advantage the federal system of government has over unitary is ______________.

Answer 1

An advantage the federal system of government has over confederal is greater stability and durability.
An advantage the federal system of government has over unitary is more efficient and effective governance.