What is the difference between reality and conspiracy theories

Why are constitutions, both federal and state, necessary for our government?

How did europeans and the introduction of european goods and ideas change native life ?

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