Which economic effect was a result of World War I on the United States? 1.Industries began importing more goods and materials.

2.Industries changed to produce war supplies and materials.

3.Industries faced new taxes that were designed to help pay for the war.

4.Industries stopped operating because many of the workers went to war.

2

Explanation:

2.Industries changed to produce war supplies and materials.

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

2 is armenia i think