Franz Oppenheimer, a German sociologist, wrote a comprehensive explanation of the history of the state as a history of conquest.
George H. Smith
George H. Smith was formerly Senior Research Fellow for the Institute for Humane Studies, a lecturer on American History for Cato Summer Seminars, and Executive Editor of Knowledge Products. Smith's fourth and most recent book, The System of Liberty, was published by Cambridge University Press in 2013.
Nassau William Senior was an important British economist who contributed to theories of utility, political economy, and value.
The Third Earl of Shaftesbury, Anthony Ashley Cooper was a statesman and philosopher with an interest in individualism and the natural harmony of interests.
Herbert Spencer was a major influence on 19th century liberalism. His work on evolutionary theory and social order made him one of the first sociologists.
Freedom of thought includes the notion that religion and personal value systems should be unregulated, and that expressing all values must be permitted.
Abolitionism was the 19th century anti-slavery movement promoting the equal civil and political rights for African Americans and complete rejection of slavery.