C or b i'm not all the way sure but i am sure it is one of them
He was able to do it because he himself was a trained soldier
People and soldiers respected him for this since he knew what he was doing. Many Chinese leaders joined him and those that wouldn't would be conquered.
hope this helps
D. Would be the correct option.
Dorothea Dic educated people about mental illness and the possibility of recovery for most patients.
Dorothea Dix made contributions to those with mental illnesses and how they were treated as some patients were mentally and physically abused. She is also one of the leaders of the Mental Illness Reform Movement.
Hope this helps!