It eliminated the defense of diminished capacity
At least, from what you said I'm assuming that's what you wanted, if not, just say so and elaborate why and I'll try to find another solution
How did colonizing countries hold and try to control their colonies? The institution of imperialism was maintained by a complex set of ideas on race and civilization. These ideas worked to both justify the colonization of countries and to maintain the military and economic power that upheld the colony.