Final answer:
The meat packing industry responded to claims of unsanitary and dangerous conditions in their factories by implementing increased safety measures and improved working conditions.
Step-by-step explanation:
The meat packing industry responded to claims of unsanitary and dangerous conditions in their factories by d. All of the above. They initially denied the allegations, but as public outcry increased, they were forced to take action. Eventually, they implemented increased safety measures and improved working conditions to address the concerns.