What were the unfavorable consequences of colonialism for the formation of the spiritual climate

What were the unfavorable consequences of colonialism for the formation of the spiritual climate in the metropolitan countries, for the subsequent development of relations between the peoples of the states of Europe and the countries of the East. Express your attitude to the idea of the civilizing mission of Europeans.

Colonialism gave birth to racism in European countries. “The burden of the white man”, “his civilizing mission” became the cause of the death of entire nations, starting with the destruction of three great pre-Columbian civilizations of America (Incas, Aztecs and Maya) by the Spanish conquistadors in the 16th century and ending with the complete destruction of the Tasmanians, the indigenous population of Australia, by immigrants from Great Britain …
Colonialism has led to tensions between former colonies and metropolises, which is expressed in the form of a conflict of civilizations.