Which of the following was the predominant social work method prior to 1970?​

A) ​Casework
B) ​Group work
C) ​Clinical practice
D) ​Direct practice

Prior to 1970, casework was considered the predominant social work method, which involved working with individuals to address their specific needs and develop solutions to their problems. This approach was influenced by psychoanalytic theory and focused on the individual's internal psychological functioning. Group work and clinical practice were also important methods but were not as widely used as casework. Direct practice is a broader term that encompasses different social work methods, including casework, group work, and community practice.