In 1990, São Tomé became one of the first African countries to embrace democratic reform and changes to the constitution—the legalization of opposition political parties—led to elections in 1991 that were nonviolent, free, and transparent.
En 1990, San Tomé converteuse nun dos primeiros países africanos en incorporarse á reforma democrática, e os cambios na constitución -a legalización dos partidos políticos da oposición- conduciu a eleccións en 1991 que foron pacíficas, libres e transparentes.