Vikings
more specifically leif eriksson
It originated in the 2nd millennium BCE as Vedic Sanskrit, <span>tracing its ancestry back to Proto-Indo-Iranian and Proto-Indo-European</span>
It is to deliver appropriately qualified civilian men for the induction into the Armed Forces of the US as authorized by Congress.
I believe the answer is: dissociative fugue
Dissociative fugue refers to a form of amnesia which make the victim unable to remember only a certain part of their past.
For example, people with dissociative fugue may be able to clearly remember their own identity, but they could completely forget why they are trapped in a certain trouble/crisis.