#1. how might several countries all described as federations differ in practice? some may have smaller units of government like states or provinces while others do not./ the state governments may vary in amount of power shared with the central government./ some have a central government that makes decisions for the country while others do not./ the state governments could be sovereign governments that do not share power as a central body. #2. which of the following best describes how a unitary government is different from the government of the united states? it has a central government that exercises complete control over smaller units of government, like states./ it does not have a president or other executive authority that enforces laws and policy separate from lawmakers./ its local or individual state governments have full sovereignty and only coordinate activities for mutual defense./ its legislature has authority over the executive branch, with the ability to select and remove executive leaders.