The National War Labor Board was authorized in March 1918 for the purpose of preventing strikes that would disrupt production in war industries. The first appointments were made the next month. ... After the war, the work of the National War Labor Board was praised by progressives.
hope this helps!!!
If I'm not wrong it's electric because without electricity many advancements wouldn't have been possible like for example; trains, light, radio etc; hoped it helped!
Mcdonald’s
easy points here
