Witnesses reveal what someone has done. For example when someone does a bad thing and you saw it, that means you were a witness that the person did the do that bad thing.
Among the immigrants, the largest occupation group are the Laborers. During the 1800's, a lot of factories and mines were in operation. Immigrants did not have the set of skills and knowledge to enter into certain jobs. Laborer jobs did not require much skill and knowledge and so it was easy for immigrants to get the job.
Answer:
A person was crucified with their hands over their head. This made it so difficult to breathe (once their strength had given out) that they were dead within an hour
That it's not gonna be around any longer