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.
Socialist Party USA is a multi-tendency party, and since its formation in 1972 has been formed of a right wing of reformists and social democrats, and a left wing of socialist revolutionaries, communists, and anarchists.