B) Lenient
He didn't want to be so harsh, and knew they only were being mislead from the rich people making free labor off the slaves. Most of the confederates fighting hardly had slaves and barely shared any "racist pride". So Lincoln was Lenient.
Answer:b. prevented Japan from having or using an army.
The Vigilance Committees were formed to maintain the law and order in places where law enforcement wasn't enforced.
The emperor was at the top of the 'feudal pyramid'