D.
Because the author can show how characters change (A), but they need to show how the characters acted before the change (C). And B is just what explains the character.
False.
Clara Barton was not the first nurse but is an important figure in the history of nursing.
Barton was a self-taught nurse who would go on to found the American Red Cross.
People were more inspired by the so-called "American Dream" and the American ideals of life.
B. Martin Luther. Not to be mistaken with Martin Luther King