Answer:
The person that is characterized as the peacemaker of the group who tries to make situations better and never loses his temper is b) Mr. Frank.
Step-by-step explanation:
Otto Frank (1889-1980), best known as Anne Frank's father, feels the responsibility of mediating in the arguments that come up in the Secret Annex and of maintaining the best posible environment. In fact, Miep Gies remembered Otto Frank as ‘the calm one, the children’s teacher, the most logical, the one who balanced everyone out. He was the leader, the one in charge.’ Therefore, Mr. Frank is the person characterized as the peacemaker of the group.