20 points How Did the Egyptians Build the Pyramids?

Which example from the text develops the idea that the Egyptians understood the importance of taking care of their workers?

"…the workers usually slept in simple conditions around the construction site."

"Undertaking such a massive colossal task required a huge workforce."

"Tens of thousands of workers required enormous resources, such as a place to live during the construction."

"This led the researchers to believe that it was likely the workers ate better on the job than they did back at home."