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

What is the columbian exchange? o a. the changes that resulted from europeans settling in the new world b. the relationships that columbus and his men had with the natives they met o c. the ships that columbus bought with money from the king and queen of spain o d. the increase in the number of native american towns in the new world