In what sense could the1931 CV institution of Ethiopia be said a progressive document?

The 1931 CV institution of Ethiopia was a progressive document in the sense that it was the first modern constitution of Ethiopia, and it provided for a number of progressive reforms, such as the establishment of a bicameral legislature, the introduction of a judicial system, and the protection of civil rights. It also provided for the separation of powers between the executive, legislative, and judicial branches of government. Additionally, it provided for the establishment of a national bank and the introduction of a modern taxation system.