The Stanford Encyclopedia of Philosophy defines Colonialism as a practice of subjugation of one people to another. In the context of allyship and anti-oppression, colonialism is used to describe the colonization by European Settlers in parts of Asia, Australia, Africa, and the Americas that led to the enslavement, genocide, oppression, and overall subjugation of people of colour in their indigenous territories.
The Roots — and Replacement — of Colonization:
"How to Write About Africa" by Binyavanga Wainaina:
People to Follow