Which of the following represents a major focus of psychology in both the 19th century and now

A)  the role of unconscious conflicts 
B)  a focus on biological bases for behaviour 
C)  identifying the smallest units of conscious experience 
D)  striving for self-actualization

Unconscious Conflicts

Internal struggles in the mind that occur without conscious awareness, often stemming from repressed feelings or desires.

19th Century

The period from January 1, 1801, to December 31, 1900, characterized by significant industrial, social, and political changes.

Biological Bases

The underlying physiological and genetic factors contributing to an individual's traits, behavior, or health conditions.