What was the us work status of us workplace safety laws in 1900

In 1900, there were NO "workplace safety laws"!

Explanation:At the beginning of this century, workers in the United States faced remarkably high health and safety risks on the job.

A century ago in 1900 about three hundred out of every one hundred thousand miners were killed on the job each year.

[Industria] developments occurred within a legal and regulatory climate that diminished employer’s interest in safety. As a result, Americans developed production methods that were both highly productive and often very dangerous.

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i would say that the politicial parties from state to state varies.