B. He realizes that death is not peaceful.
Biology affects behavior also through mechanisms of heredity regulated by genetic principles. The nature versus nurture controversy— that is, how much of our behavior is due to inherited factors and how much to environmental factors—is a question that has plagued scientists for years and is still unresolved.
Its true, I think so,thats my answer
Rosaleen seems to change because the environment also changed. now she is with black females. Here, she had not the threat of white men who used to beat her up when she tried to exercise her civil right. lily noticed her sudden change as soon as she entered the house, while crossing the yard even though she was walking under the rain.