What was the main idea of "White Man's Burden"

what was the main idea of "White Man's Burden"

It's to celebrates British colonialism as a mission of civilisation that eventually would benefit the colonised natives and the thematically corresponds to Kipling's belief that the British Empire was the Englishman's "Divine Burden to reign God's Empire on Earth".

The duty of white men to bring education and salvation to people around the world that he deemed uncivilized. Many people, including people of color and anti-imperialists, have called this concept racist.