但最重要的问题是：为谁而战？ 战争的具体触发因素、目标和冲突的战线其实主要将由五个因素决定：信仰、种族、文化、气候和货币。
The specific triggers, objectives, and battle lines of such conflicts are likely to be determined, to varying degrees, by five factors: creed, clan, culture, climate, and currency.