Which statement best describes why Progressives worked to reform the meat-packing industry in the early 1900s?

I believe its c the induatry used unsafe manufacturing practices. i hope this helps.

Explanation:

b. great plains

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donald carl johanson (born june 28, 1943) is an american paleoanthropologist. he is known for discovering – with yves coppens and maurice taieb – the fossil of a female hominin australopithecine known as "lucy" in the afar triangle region of hadar, ethiopia.

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i googled "who was kolson johanson" and this is the answer i found.

sorry if this is incorrect.