Psychoanalysis was a method of treating patients with mental illnesses, created by was and that help us to understand our unconscious thoughts.

The correct answer to this open question is the following.

Unfortunately, you forgot to attach the options of the question. Without the specific options, we could include any answer that could fit the idea.

However, trying to help you, we did some research and can comment on the following.

Psychoanalysis was a method of treating patients with mental illnesses, created by Sigmund Freud. He believed human behavior was irrational and that dreams help us to understand our unconscious thoughts.

Sigmund Freud (1856-1939) was a neurologist from Austria, whose main lacy was the creation of Psychoanalysis, a method, therapy, or technique aimed to understand the unconscious mind and help patients to treat mental disorders.

At the beginning of 1890, Sigmund Freud named his school of thought Psychoanalysis and did deep research on the meaning of dreams and how to interpret their meanings to understand the unconscious mind of his patients.  

i think its provide for the common defense

c) troops march forward in close formation against newer, more accurate weapons