Complex sentence: Because of growing Korean nationalism in the 19th century, the Gabo Reformists'push, and the promotion of Hangul in schools, in 1894, hangul displaced hanja as Korea's national script.
Split into simpler sentences: Because of growing Korean nationalism in the 19th century, the Gabo Reformists'push, and the promotion of Hangul in schools. In 1894, hangul displaced hanja as Korea's national script.