What did europeans use to justify imperialism in the late 19th century?

"One of the major ways in which Europeans justified imperialism in the late nineteenth century was by siting the most recent works of Darwin, and his theory of the "survival of the fittest."

Explanation:

a. bacon

hes known as the father of   empiricism this concluding my reasonining im not 100% sure tho so only do it if u trust me ; c