Questions: Psychology's roots can be traced back the Civil Rights era. the Great Depression. the ancient Greeks. the Napoleonic wars. Need help? Review these concept resources.

The answer is: the ancient Greeks.

Explanation for each option:

1. The Civil Rights era: This period, primarily in the 1950s and 1960s, was significant for social and political changes in the United States, particularly concerning the rights of African Americans. While psychology did play a role in understanding social behaviors and prejudices during this time, the roots of psychology extend much further back in history.

2. The Great Depression: The Great Depression, which occurred in the 1930s, had a profound impact on many fields, including psychology, particularly in understanding the effects of economic hardship on mental health. However, this period is not where the roots of psychology are found.

3. The ancient Greeks: The roots of psychology can indeed be traced back to the ancient Greeks. Philosophers such as Socrates, Plato, and Aristotle explored topics related to the mind, behavior, and human nature, laying the groundwork for later psychological theories and practices.

4. The Napoleonic wars: The Napoleonic wars (early 19th century) were significant in European history but did not mark the beginning of psychology as a field. While the wars may have influenced the study of human behavior and trauma, they are not the origin of psychology.

In summary, the ancient Greeks are credited with the early exploration of concepts that would eventually evolve into the field of psychology.