| Term | Definition |
| unitary system | a government gives all key powers to the national central government |
| federal system | a government divides power of government between the national and state or provincial government |
| confederacy | a loose union of independent states |
| constitution | a plan that provides the rules for government |
| constitutional government | a government in which the constitution had authority to place clearly recognized limits on the powers if those who govern |
| preamble | statement that sets forth the goals and purposes to be served by the government |
| constitutional law | interpretation and application of the constitution |
| politics | the effort to control or influence the conduct and policies of governemtn |
| industrialized nations | have a large indusrtrious and advanded technology that develop a more comfortable way of life than developing nation |
| developing nations | a nation that is beginning to develop industriously |