B.) allowing states to decide on the slavery issue Explanation: He did everything else but allowed states to decide. This was because if he did let the states decide they wouldn’t want slavery demolished. Also I remember this stuff from 5th grade and I’m a nerd lol
The US introduced industrial power and new weapons. To protect their country from being taken over by the US or another foreign power, Japan decided to become a "western" power. The US opening Japan to trade exposed them to the methods of a modern country.
