The battle of anietam affected the focus on civil war by?

changing it to the construction of a national railroad.  

leading to the Emancipation Proclamation.  

leading to the North giving up its antislavery stance.

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