The speaker argues that severe health hazards made some colonial labor difficult to staff through voluntary paid work, leading employers to force people to do it.

“and they couldn't like move they couldn't go somewhere else those movement restrictions were lifted because they were inefficient uh they were uh there were ways in which uh it used to be like like the kind of labor that needed to be done in the colonies to grow sugar or to grow various crops it was very uh hard labor it was not the kind of thing that probably you could have paid people to do because they just wouldn't want to do it because”

“It's because the health hazards and so on were very great,”

“which is why they needed people to force people to do them.”