Original sentence: According to some modern academics, over time, this classification led to a racial hierarchy, in which Europeans were at the top.Citation needed.In particular it is claimed the invented concept of race was used to enforce the institution of slavery, particularly in the European colonies of the New World, despite the fact that slavery had previously existed among non-Europeans throughout the world.Some academics claim members of many European countries used the classification scheme to validate their conquering or subjugation of members of the "lower" races
Edited sentence: In particular the invented concept of race was used to enforce the inhumane institution of slavery, particularly in the European colonies of the New World.Linnaeus's races were clearly skewed in favour of Europeans.Members of many European countries used the classification scheme to validate their conquering or subjugation of members of the "lower" races.Over time, this classification led to a racial hierarchy, in which Europeans were at the top