Each “problem” is a unit where students analyze primary sources (speeches, economic graphs, letters) posted on CubaEduca. The digital textbook includes from the National Archives and interactive timelines that contrast Cuban events with global ones (e.g., 1959 Cuban Revolution alongside the Vietnam War’s escalation).
: Revised texts aimed at deepening historical consciousness. cubaeduca libros preuniversitarios perfeccionamiento
Icons like "Saber más" (Know More) or "Investiga" (Research) that link to digital content. Each “problem” is a unit where students analyze