Well there are no options, but I would say the 13th amendment, it abolished slavery.
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Plantation owners turned to the enslaved Africans as a labor force because they were not paying them for their work, instead they were just providing shelter and food for them. Also, they had total control over them because they owned them, thus were able to make them work as much as they wanted and the slaves couldn't do anything about it.
Supreme Court decision of Brown v Board of Education in 1954
Hope this helps
Sorry if I am wrong
Good luck
Answer: I believe your answer to this "problem" is United States.
Explanation: Since United States is big on a lot of machines to do this stuff, it's considered the highest. Also as you can see, we're the country with the most pollution. Also the peoples ability to do these things in the United States have higher percentages. Hope you fail, Jk good luck with your future