However, as a result of their broad definitions, the Big Five personality traits are not nearly as powerful in predicting and explaining actual behavior as are the more numerous lower-level, specific traits.
The history of socialism has its origins in the French Revolution of 1789 and the changes brought about by the Industrial Revolution, although it has precedents in earlier movements and ideas.
The most notable of these groups was the Social Democratic Workers' Party of Germany (today known as the German Social Democratic Party), which was founded in 1869. These groups supported diverse views of socialism, from the gradualism of many trade unionists to the radical, revolutionary agendas of Marx and Engels.