Answer:
Step-by-step explanation:
Parliamentary democracy: The people elect members of the legislative body. The leader of the largest group in the legislative body usually heads the executive branch of government.
Federal system: The central and local governments share power
Confederal system: The local governments have more power than the central governments
Unitary system: The central government holds most of the power, and the local governments act as administrative arms of the central government.
Hope this helps!