Planting a tree or wearing an armband black for a special period of time- what culture does this and why?

Question

This tradition is in Japan or Korea and what is the connection in planting the tree when a person is deceased. Is it customary for this action to be done. Is it a reminder or spiritually connection in some way?

Answer 1

"Did you wear a black armband when they shot the man who said: peace could last forever. In my first memories they shot Kennedy, I went numb when I learned to see. So I never fel for viet nam, we got the wall in D.C. to remind us all that you can't trust freedom when it's not in ur hands, and everybodys' fighting for their promised land"