Which quotation from the excerpt uses empirical evidence to support the central idea that the Indians’ working conditions were merciless?

Empirical evidence gives specific, verifiable details such as numbers or contract terms. Choice D states that the contracts required seven hours of work for about twenty-four cents a day, concrete details that support the idea that conditions were merciless. The other choices make general claims without comparable numerical evidence.

AI-written and checked against the verified answer.