Which statement provides the best contacts for interpreting this photo

I really don't know. as I am first here so that I am unable to answer you right now but I can assure you I will answer you soon.

the labor movement in the united states grew out of the need to protect the common interest of workers

for those in the industrial sector organized labor unions fought for better wages reasonable hours and safer working conditions

  in the 19th century trade unionism was mainly a movement of skilled workers.

hope this