Which Article 3 amendment in 1934 introduced the concept of 'socialist education', mandating that all schooling promote a scientific and class-conscious worldview opposed to religious dogma?

• A Educacion Integral
• B Educacion Popular
• C Educacion Socialista ✓
• D Educacion Democratica

The 1934 amendment under President Lazaro Cardenas made the state responsible for imparting a socialist education until the article was revised again in 1946.