Many postwar thinkers and writers, in fact, were unwilling to endure the world in its new form: a kind of spiritual vertigo took hold, a frantic search for solutions to the human predicament. Freudian psychology, eugenics, socialism, spiritualism, scientism—these and other ideologies were attempts to solve, or explain away, the horrors that seemed to be hanging over the human race. Though these ideas may have originated before the war, by the 1920s they were gaining ground rapidly in Europe and the United States.