during the 19th century, there were several ideas among Europeans that legitimized imperialism. Those ideas were, for example, nationalism, racism, and social Darwinism. What were those ideas and how could they legitimize imperialism?

Imperialism had consequences that affected the colonial nations, Europe, and the world. It also led to increased competition among nations and to conflicts that would disrupt world peace in 1914. ... In the first half of the nineteenth century, colonialism became less popular.

Explanation:

brainliest is appreciated. :)

jim crow law, in u.s. history, any of the laws in which racial was enforced, in the south between the finish of reconstruction in 1877 and the start of the social liberties development during the 1950s.

jim crow was the name of a minstrel routine( jump jim crow) performed starting in 1828 by its creator, thomas dartmouth ("daddy") rice, and by numerous imitators, including on-screen character joseph jefferson.

the term came to be a defamatory sobriquet for african americans and an assignment for their segregated life. the segregation rule was stretched out to parks, graveyards, theaters, and eateries with an end goal to keep any contact among blacks and whites as equivalents.

it was classified on neighborhood and state levels and most broadly with the "separate yet equivalent" choice of the u.s. preeminent court in plessy v. ferguson (1896).

so what is your question?