Are you implying that the ethnic homogeneity of Norway is the reason for the low maternal death rates in Norway? Or are you saying it's the economic "diversity"

Are you implying that the ethnic homogeneity of Norway is the reason for the low maternal death rates in Norway? Or are you saying it's the economic "diversity" (i.e. inequality) in the US that's the problem? What exactly makes such a comparison disingenuous?