There is nothing like [Indian cruelty] in history in any part of the world and the result was that the aboriginal Indians were regarded as ravening wolves or worse and deprived of all sympathy, while the Whites stole their lands and killed their game. No one who knew the true nature of the Indian felt any regret that they were driven off their hunting grounds. This attitude was found wherever the Whites came in conflict with them and explains why they were scarcely regarded as human beings.

The Conquest of a Continent (1933)