Which was not used to justify european imperialism in the late nineteenth century?

democratic reform
social darwinism
a new wave of nationalism
a belief in european superiority

The right answer for the question that is being asked and shown above is that: "A belief in European superiority." The statement that was not used to justify European imperialism in the late nineteenth century is that A belief in European superiority

What does this mean lol.

South carolina was so angry about the election of lincoln that they seceded from the union on december 20, 1860. they attacked fort sumter later, on april 12, 1861.