N-UNCOUNT 殖民主义;殖民政策Colonialism is the practice by which a powerful country directly controls less powerful countries and uses their resources to increase its own power and wealth. 殖民主义;殖民政策
...the bitter oppression of slavery and colonialism.
奴隶制度和殖民主义的残酷压迫
It is interesting to reflect why European colonialism ended.