Christian democracy

#### Definition
Christian democracy applies Christian teachings to politics for common good.

#### Core Principles
- Subsidiarity, social market economy, solidarity.

#### Historical Origins and Development
From French Revolution; post-WWII welfare states.

#### Key Thinkers or Figures
- Luigi Sturzo, Konrad Adenauer.

#### Notable Variants
- Catholic, Protestant.

#### Criticisms or Controversies
Confessionalism, corruption scandals.