Introducing influence: examples from the least to the most. -- What is influence? -- What is politics? -- What is a political system? A government? A state? -- Revisiting and appraising influence. -- political systems: similarities. -- Political systems: differences. -- Differences: polyarchies and nonpolyarchies. -- Polyarchies and nonpolyarchies: explanation. -- Individuals' participation in politics. -- Political evaluation. -- What good is modern political analysis?

1. Political science
2. Power (Social sciences)