Complex sentence: In the 1930s, the Belgians introduced large-scale projects in education, health, public works, and agricultural supervision; the country was thus modernised but Tutsi supremacy remained, leaving the Hutu disenfranchised and subject to large scale forced labour.
Split into simpler sentences: In the 1930s, the Belgians introduced large-scale projects in education, health, public works, and agricultural supervision. The country was thus modernised but Tutsi supremacy remained, leaving the Hutu disenfranchised and subject to large scale forced labour.