The federal reserve increases the money supply when it is trying to encourage the economy to a. grow b. shrink

grow, lower, a decrease,

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

the answer would be a i think?