This was put together from footage shot by Sergei Eisenstein for his aborted project Que Viva Mexico (1979) in 1931, which was not released until the 1970s.
Somehow, "Liberty" magazine gave this a four star rating.
The Socialist novel writer Upton Sinclair brought this film to America, and his name appears as "Presenting" it in advertisements. (Oakland Tribune, ((Oakland Calif.)) January 1934)
Presented as being Russian director Eisentein's "American" film, has caused a violent international protest campaign to be waged against Upton Sinclair.