Elana is writing a history paper about American women in the 1920s. She has read several letters and diary entries from the time. She has a theory that women in the 1920s were conflicted about the new freedoms that society allowed them. She thinks her argument would be stronger if another historian had a similar theory. Which of the following sources would best support her argument? A a letter from a woman to her mother from 1925 B an interview with a woman who was born in 1927 C a book about women’s struggles in changing societies from last year D