Simultaneous global cultural developments require a single global explanation

Evidence

How can this global religious resurgence be explained? Particular causes obviously operated in individual countries and civilizations. Yet it is too much to expect that a large number of different causes would have produced simultaneous and similar developments in most parts of the world. A global phenomenon demands a global explanation. However much events in particular countries may have been influenced by unique factors, some general causes must have been at work. — Samuel P. Huntington, The Clash of Civilizations and the…, 264

Categorization

• QUESTION: This is a somewhat weak inference — simultaneity across countries with shared underlying conditions doesn’t strictly require a common single cause. Worth interrogating whether the reasoning holds.