Answer generally three days after using, but it can stay longer or shorter depending on the amount, and how much the person uses 3-7 days, sometimes longer depending on metabolism, frequency of use, and the amount used.
Crack cocaine can last about a week in your system depending on the condition of your body. Most people will choose to smoke crack because it is almost easy to hide it's use.
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.