True. The first effective workers' compensation law in the United States was indeed passed in 1911. To find the answer to this question, you can conduct a search using a reliable search engine, such as Google. Simply type in the question, "When was the first effective workers' compensation law passed in the United States?" and review the search results to find the correct answer.
True. The first effective workers' compensation law in the United States was passed in 1911.
