What's the difference between Black lives Matter and Blue lives Matter?

:D blm is better than blue lives matter

Explanation:

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

i thinl it is the 1st answer