Which American labor union was a model for similar organizations in France, New Zealand, Belgium, Australia, and Canada?

Question

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The Knights of Labor, founded in 1869, was one of the first major labor organizations in the United States. It was unique for its time because it sought to organize all workers, regardless of skill level, gender, or race. Its inclusive approach and emphasis on broad social reform rather than just workplace issues made it a model for labor movements in other countries.

Which American Labor Union Was a Model for Similar Organizations