The document discusses several key developments in 19th century Europe from 1871-1914. It notes that liberalism, which was ascendant in the 1870s, was in retreat by the end of the period as new intellectual tendencies emphasized irrational factors in human behavior. Economic trends also weakened liberal parties and philosophy. New problems from population growth, urbanization, and unemployment crises emerged without a shared faith that reason could solve them, increasing the potential for domestic conflict and international insecurity during this era.
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