What was two working conditions that labor unions opposed? What was a demand made by labor unions to change the working condition?

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. The labor movement led efforts to stop child labor, give health benefits and provide aid to workers who were injured or retired

They opposed long working hours and low wages. Labor unions worked together, went on strikes, and sometimes broke to violence to achieve their goals.