What led to the rise of the labor union movement and what methods did unions use to effect change in working conditions in the United States

Complete sentence please

Explanation:

The labor movement in the United States grew out of the need to protect the common interest of workers.

Methods used

1. Better wages

2. Reasonable hours

3. Safer working conditions.

4. Stop child labor

5. Give health benefits

6. Provide aid to workers who were injured or retired.

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