Answer question above lol

What would lead a historian to consider two events to have a relationship of correlation rather than causation?

Before the civil war, the constitution protected slavery -true -false

Why did the meiji reformers want to modernize japan a) to colonize weaker nations in south east asia b) to allow western nations to protect them and treat negotiation c) to compete with the economics and military of western nations d) to replace additional prices with weston culture