Examlex
The low-voltage brain waves produced during relaxed wakefulness or the twilight stage between waking and sleeping are called __________ waves.
Charles Darwin
A British naturalist and biologist known for his theory of evolution through natural selection, fundamentally altering the scientific view on the biological origins of life.
Racial Hierarchy
A system of classification or stratification where races are ranked as inherently superior or inferior to others.
Boer War
Conflicts between the British Empire and the Boers of the Transvaal and Orange Free State in South Africa between 1880-1881 and 1899-1902.
Colonial Conflicts
Disputes and wars between colonial powers and indigenous peoples or among colonial powers themselves over land, resources, or political dominance.
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