What is the difference between a unitary and a federal system of government.

a. A unitary system has a strong central government, while a federal system has weaker central government
b. A unitary system has weaker central government, while a federal system has a strong central government
c. A unitary system has no central government, while a federal system has a strong central government
d. A unitary system and a federal system have the same type of government
Answer: a. A unitary system has a strong central government, while a federal system has weaker central government