The uniqueness of the United States in human history is the United States is the first global power in human history which emerged far away from Africa or Asia, which is the main land of human history.
As a teenager, even as a younger girl, I had some depression but no one really noticed that it was depression nor did I know in those days that that's what it was but I did feel different from other people.
Self-denial and self-discipline, however, will be recognized as the outstanding qualities of a good soldier.