Cocaine stays in your hair forever. Unless you shave after the last time you used cocaine, it will stay where it originated on the strands of hair until they're eventually cut off.
Cocaine does not stay in your system for long. It can be completely gone form your system in three days to a week. The more water you drink helps cleanse you.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.