When one group dominates another

One (singular) group (plural)...tricking a singular to consent to suggested pluralism establishes dominance over a consenting ones choice.

all too human

A human/hue of man cannot be all, since color (hue) implies a spectrum within all light.

let us differentiate

Suggested pluralism (us) tempts perceiving singular (one) to ignore difference for likeness.

body of person is different from body of nations

Person implies per sonos (by sound) aka a differentiation, while people (body of nations) implies an aggregation of differences into a likeness.