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

(202 bc - 220 ad) dynasty started by lui bang; a great and long-lasting rule, it discarded the harsh policies of the qin dynasty and adopted confucian principles; han rulers chose officials who passed the civil service exams rather than birth; it was a time of prosperity

can i know the options so i can answer the qu