What are the four categories Beaulieu breaks civilizations into?

Beaulieu categorizes civilizations into four main types: traditional, modern, post-modern, and emergent. Traditional civilizations are characterized by their adherence to historical norms and practices, while modern civilizations embrace industrialization and technological advancement. Post-modern civilizations often challenge established narratives and emphasize diversity and pluralism. Emergent civilizations are those that are still developing or evolving, incorporating elements from various previous categories.