How did the US Senate committee learn about working conditions in American factories?

the menu would be considered a problem for students who have food allergies.

hope this : )

"the attempts of the proletariat to rise above this abasement"

it might be to see if the person answering knows what they are talking about other than just saying, "its b hope this ! : )" because they could say it then get the wrong answer because they only answered for the points.