It was the "never surrender" mentality of the Japanese army. The thought was of dealing with a million or 2 million US lives to invade Japan. The use of the atomic weapon was to save lives.
Abraham lincoln
-believed slavery was a moral issue
Stephen douglas
-opposed kansas nebraska act
-introduced the kansas nebraska act
I only dont know the one of who wanted to allow slavery to continue but hope this helps
Just talk to him and show that you care