The declaration of independence stated throughout talked about "tyranny from kings" or "dissolve the Political bands which have connected them to another". "He is, at this Time, transporting large Armies of foreign Mercenaries to compleat the Works of Death, Desolation, and Tyranny, already begun with circumstances of Cruelty and Perfidy" throughout the text they basically "sneak diss" Britain for the unjust and cruel punishments the country is giving them.
could be wrong but i believe the answer is the theories of Social Darwinism were often used to justify the efforts of certain political, social, or economic views.