| A | B |
| form of govt. with one authority | unitary |
| associations of independent states | confederation |
| form of govt. between 1 central & several | federal |
| one person possesses unlimited power | autocratic |
| govt. by a few | oligarchic |
| supreme power is vested in people | democratic |
| democratic govt. with Prime Minister | parlimentary |
| democratic govt. with president | presidential |
| citizens have no role in govt. | autocratic |
| citizens have limited role in govt. | oligarchic |
| citizens have a voice in govt. | democratic |
| elected by the legislature | prime minister |
| elected by the people | presidential |