Answer:
He violated the Tenure of Office Act.
Explanation:
He removed someone from the office that he was not allowed to so they impeached him, because that is against the Tenure of Office Act.
I think it should be; A: 125 people for 12 days.
But there was a lot of people that died on the way, so when they got there, there wasn't 125 people anymore.
They were both used to control the population of a certain demographic in the area and/or racially cleanse these areas
The answer should be D. :)