Historians Have Argued That Race and Gender Were Important in Roosevelt's

Historians have argued that race and gender were important in Roosevelt's and other's justifications for imperialism because these imperialists

A) claimed American society had lost touch with manly virtues.
B) saw the nation as becoming soft and feminine since the frontier closed.
C) perceived other nations as at the bottom of a strict racial hierarchy.
D) regarded blacks as primitive and Anglo-Saxons as civilized.
E) All of these choices are correct.